LSCAPE PLANT RECOG
LSCAPE PLANT RECOG ESRM 331
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Date Created: 09/09/15
Landscape Plant Recognition Plant Descriptions Field Day 8 Ginkgo bilaba GINKGOACEAE m 5 Chi Ha Leaves Cones Other Alternate clusters of 35 Dioecious Deciduous tree to 130 ft on spurs Male catkinlike Ancient tree used medicinally Fan shaped wparallel veins Female cone small stalked Open branching pattern Incised bi d lobes seed with eshy aril looks Leaves turn golden yellow in like silver plum Smelly pulp Edible a Mainly used for specimenfocal points Certain varieties being used as street trees biloba means two lobed Arbutus menzz39esz39z39 gERlCACEAEZ Paci c madrona British Columbia to California Leaves Flowers Fruit Other Alternate Simple ln multi branched lt 4 Berrylike drupe warty Evergreen tree to 60 ft Elliptic long panicles red purpleblue when Bark reddish brown amp 6 long 3 Wide Corolla white overripe peeling Young serrate urn shaped smaller than A uneda Fungal disease affecting many Old entire Calyx 5lobed plants Upper 7 dark green Stamens 10 Lower 7 whitish No hairs Japan Taiwan S Korea Leaves Flowers Fruit Other Alternate Simple Monecious Kidney shaped drupe green Tree to 90 ft Oblongovate Small owers no petals with no stalk Deciduous 25 long 3 2 wide Leaves coarsely serrate margins of teeth outcurved 814 vein pairs pinnate Acuminate tip Base not oblique N slightly calyx fused Females axillary and solitary Males in bunches at base 0 twig w stamens 45 Wind pollinated Page 1 of 5 Smooth sometimes flakey bark Flowers just as leaves start to come out Landscape Plant Recognition Plant Descriptions Field Day 8 Northern Hemisphere southward to tropical Africa Other Juniperus CUPRES SACEAE juniper Leaves Cones Needlelike whorled and Dioecious Males small spreading or scalelike catkin like Often both leaf types on Wind pollinated same plant Female cones 38 scaled that fuse and become round and fleshy berrylike when ripe covered with wax Purpleblue or black or occasionally red Usually less than 2 across 13 seeds per scale Bird dispersed seeds E North America Fruit owering dogwood Leaves Flowers Trees up to 90 ft usually smaller or prostrate shrubs Evergreen Cones are used to flavor gin and smell like gin when crushed Wood of tree junipers used for drawers or to line closets repel moths Other Formed in dense clusters of football shaped drupe red Opposite simple Oval to ovate 36 long 1123 wide Abruptly acuminate tip Base broadly cuneate Usually pubescent on the veins Dark green above lighter than C kausa 67 vein pairs arcuate Petiole 3A long 4 bracts white obovate 2 long often indented at tips with pinkish color Bracts greenish yellow for species 12 3 wide Natural pink form var rubra many pink cvs Persistent calyx Up to 30 ft amp wide spread usually somewhat gnarled Deciduous Bark broken with small squares amp rectangles gray to blackish alligator back pattern Fall color reddishpulple Young twigs often glaucous Staphylea pinnata STAPHYLEACEAE European bladdemut Eurasia Leaves Flowers Fruit Other Opposite Infl drooping branched Inflated capsules 23 lobed Spreading small tree or clusters 25 long panicles Perfect 5merous Styles 23 Petals form tube but are separate not fused White wgreenish bases Pinnately compound 3 57 lea ets Serrate margins amp acuminate tips Page 2 of 5 s ru Deciduous Not common here but worth growing if there is room Landscape Plant Recognition Abies grandis PINACEAE Plant Descriptions Field Day 8 grand r Leaves Needles at 3 1 inch long up to 2 inches shiny Needles are of different lengths Needles on branches are two ranked and slightly point downward rather than curving upwards in a Ushape like A cancalar or coming from all sides like A lasciacarpa Leaves are medium dark green above and white below willow Leaves Alternate rarely opposite and simple Lanceolate to ovate and up to Sin lon Entire margins N serrate Short petioles Stipules deciduous or persistent Compare leaf shape 7 long amp narrow in Salix cordate in Papulus Flowers Dioecious Upright catkinlike heads Male owers have one scale usually silky and 2 rarely up to 12 stamens Female owers have a silky scale one style with 2 4 stigmas Insect pollinated rarely wind Papulus has pendulous catkins that are wind pollinated Page 3 of 5 Western N America Cones Female cones upright deciduous 3 4 inches tall Fruit Capsules Flask shaped Seeds have silky hairs to aid in dispersal Wind dispersed Other Evergreen tree tall and thin over 200 ft short branches on a very tall tree Very regular branching pattern results from cruciform buds Gray bark Other Trees to 90 ft or shrubs Deciduous Winter buds with one scale Papulus has many scales on winter bud Usually found in wet soils Hybridizes easily makes identification to species difficult Landscape Plant Recognition Camus sericea FOR N A PF A F Leaves Plant Field Day 8 red osier or red twig dogwood Flowers Northern North America Fruit Other posite Elliptic to ovate erminal ower cluster w central stem cyme Drupe White or bluish white Deciduous shrub to 9 it Branchlets dark red 577 vein pairs 47merous Small 033 in Lower branches prostrate and Ar cuate veins N 0 br acts o en rooting Petals white Many new cultivars with yellow orange and bright red branches copp ice to keep good color Comus hom sericea silk syn Camus stoloni m Populus SAI IFAFP AP poplar aspen cottonwood Leaves Flowers Fruit Other Alternate and simple with Dioecious Hanging catkins Capsules Flask shaped and Trees to 160 ft and shrubs long petioles Often heart or ofmale or female flowers mall Seeds have cottonilike Deciduous triangular shaped 7 broad Male owers thin toothed or hairs to add in dispersal Very fast growing rarely linear Often whitish on lower surface Some species have petioles that are flattened on the sides Populus balsamifera subsp trichocarpa SAT IF AFF AP Leaves owers in small cups Style 1 ith 24 stigmas Wind p ollinated black cottonwood Flowers Wind dispersed seeds W North Ameri ca Fruit Frequently forms suckers Flowers before leaves Often small branches off of trunk Other Alternate Simple Broadly ovate highly variable young different than adult Lvs paler below but see er Round petioles genera trait is flat petioles Page 4 of5 Pubescent capsule 7 seeds released in spring and may look like snow in spring Tree to 90 ft Qitip shape Deciduous Branchlets angled brown pubescent Leaves have reddish resinous buds with a strong cinnamon scent 7 when leaves push through they pick up some of the resin and the leaf underside may appear to have orange blotches esp in spring and early summer Landscape Plant Recognition Plant Descriptions Field Day 8 Taxus TAXACEAE yew Leaves Cones Other Alternate Dioecious Trees to 85 ft Linear and at Male cones small globular and Evergreen Decurrent leaf base extends down the stem 01 wide Dark green on the upper surface and 2 broad pale yellowish bands on the lower surface 2ranked yellow solitary in leaf axil Wind pollinated Female owers are small and green near shoot tips with a single seed w fleshy red aril Twigs stay green for two or more ears Bark reddish to reddish brown often scaly Wide spreading branches Taxus baccata English yew most common in horticulture Taxus brevifolia Pacific yew is native here Larix PIN ACEAE larch Northern Hemisphere Leaves Cones Other Needlelike leaves Deciduous Monoecious Trees to 210 ft 12 long in dense shoot Male cones small oblong Pyramidal form when young shoots solitary and terminal and often Bark often scaly White stomatal bands on lower yellow with many spirally Good fall color of yellow to surface arranged anthers Stalked or orange sessile Female cones subglobose solitary and terminal wrounded scales Scales persistent New cones are often redpurple or green Wind pollinated Short shoots resemble Cedrus but is deciduous so leaves are soft Landscape Plant Recognition Plant Descriptions Field Day 13 Quercus kelloggz39z39 FAGACEAE California black oak Oregon California Leaves Flowers Fruit Other Alternate Simple Monoecious Acorn Wcup Deciduous tree to 100 ft Oblong Staminate ws in slender Short stalked Bark dark brown 46 in lon pendulous catkjns Deep cup 7 encloses 2 l3 the Black oak refers to wood color uneate or truncate at base nut Quercus kelloggii in the Sinuately 7 5 lobed middle guy Sarah Otto Lobes more rounded than Q rubra end of lobes wide Shiny above N pubescent under Petiole W in long shorter than Q rubra Combs Refers to the rounded lobes but still have bristle tips Eating too much Kellogg s cereal makes you fat fat ends to the lobes Taxodium distichum CUPRESSACEAE bald or swamp cypress S E USA Leaves Cones Other Alternate Male cones in pendulous Deciduous 3070 Nl 00 2ranked panicle 4 5 long found near Tapering trunk strongly Linear 13 34 long tops of trees buttressed at the base Soft bright green Yellowish green branching irregular and Buds in the axils of Female cones short stalked quotmessyquot looking branchlets globose Wfew peltate scales Grows in swamps has water Branchlets not evenly distributed on branches Nl across resistant wood Has aerating projections pneumatophores often called quotkneesquot Taxodium leaves resemble that of Taxus disticum two ranked Acer negundo SAPINDACEAE box elder North America Leaves Flowers Fruit Other quot Opposite Dioecious Schizocarp double samara Medium deciduous tree to 30 Ternately compound Yellowish green Not spreading wings 50 may also be shrubby 35 79 leaves Male corymbs overlap at tips Stems green to reddish brown N Middle l t shortstalked amp lobed side ones almost sessile Ovate or lanceoblong 24 long Coarsely serrate Petiole 23 long Females pendulous racemes Page 1 of7 11 12 with waxy White coating called bloom Bark graybrown slightly ridged Diverse species with many subspecies Landscape Plant Recognition Plant Descriptions Field Day 13 Chamaecyparis obtuse CUPRESSACEAE Hinoki false cypress Japan Leaves Cones Other Scales closely appressed of 2 Monoecious Ultimately 5075 tall 1020 39 es Males yellow spread but usually smaller Lateral pair much larger 112 long Blunt at apex White Y markings below Females solitary Short stalked globose cones 13 7 38 across 8 10 scales forms here Bark reddish brown shedding in strips Branchlets are rounded at the end obtuse instead of coming to a point as in Thuja or Chamaecyparis M etase uoia glyptostroboides CUPRESSACEAE dawn redwood China Leaves Cones Other Branchlets opposite T Male cones in pairs on Deciduous tree to 70100 distichum is alternate and less evenly spaced Linear about 1 in long Soft light green 2 stomatal bands Page 2 of7 pendulous tassles not found on young trees Female cones globose wlong stalk N 5 cm Pendulous Scales 12 pairs opposite decussate peltate shield shaped Trunk w arm its depression below lateral branches on older trees Buttressing trunk Open and delicate branching pattern not twiggy and mess Golden yellow fall color Discovered in China in 1945 lst ID from fossils discovered in 1941 Metasequoia changed sequoia glyptostobus is another species in the same family that has similar cones Landscape Plant Recognition Plant Descriptions Field Day 13 Robim39a pseudoacacia FABACEAE black locust E USA Leaves Flowers Fruit Other Alternate pinnately In 7 dense hanging racemes Legume Tree 3050 ft compound 48 long Brownblack Trunk deeply furrowed 6 14 long Perfect pea ower 24 long vertical groves and dark 57 pair lea ets 12 long 1 across brown ropey Gledz39tsz39a triacanthos F ABACEAE Elliptic or ovate White owers with yellow Entire dots at base Mucronate apex Very fragrant Dark bluish green has terminal lea et common honeylocust C and E North America Stem has paired spines esp on fast growing shoots Branchlets N zigzag slender brittle Freely seeds to develop thickets Invasive in Europe and western US Leaves Flowers Fruit Other Alternate pinnately Perfect amp imperfect on same Legume Deciduous tree 3070 and compound no terminal tree Reddish brown to black open spreading crown leaflet Greenishyellow summer 78 long 18 Thick spines on branches most 68 long Male clusters 2 racemes 1 wide cultivars Wno spines 1020 pairs leaflets 814 Females few owered clusters that are 0515 in long Glossy bright green yellow when they emerge Base of petiole swollen amp enclosing bud Page 3 of7 Stems zigzag Wenlarged nodes May be invasive in some places Landscape Plant Recognition Stewartia monadelpha THEACEAE Leaves Plant Descriptions Field Day 13 tall Stewartia Flowers Korea Japan Fruit Other Stewartia pseudocamellia THEACEAE Alternate Simple 1 12 3 long 58 1 12 wide Radial Perfect Solitary in leaf axils Dehiscent capsule woody beaked Deciduous small tree to 75807 Flowers in JulyAugust No stipules Pairedbracts beneath sepals 5valved Bark exfoliating and scaly Elliptic to oblong elliptic Bracts as long or longer than 12 long when youn Some long hairs on veins sepals large and leaflike Older is rich cinnamon Finely serrate Short pedicle lt1z long brown amp smooth peeling Dark green above Fls 11 12 across bark provides ornamental Grayish green amp pubescent Sepals petals 5 patter below Many stamens Styles 5 Stewartia after the Scottish line Acute tip White ws wyellow of royalty monoone filaments and orange anthers delphbrother Japanese Stewartia Japan Leaves Flowers Fruit Other Alternate Simple Radial Perfect solitary in leaf Dehiscent capsule woody Deciduous small tree to 50 ft No stipules axils beaked Flowers in JulyAugust Lvs up to 253 inches long Hairs below pressed to leaf Pairedbracts beneath sepals Sepals petals 5 Many stamens Styles 5 Fls 2 2 12 across Bracts always much shorter than sepals sometimes missing White ws wyellow filaments and orange anthers Page 4 of7 5valved 1 long Bark red peeling in large pieces Lvs red to dark purple in fall Larger ower capsule than S monodelpha Landscape Plant Recognition Stewartia Comparison Plant Descriptions Field Day 13 Leaves Bud and Bract Styrene obassia STYRACACEAE fragrant snowbell Japan Leaves Flowers Fruit Other Alternate Simple Ovate to obovateorbicular Large 38 long and up to as wide Acuminate mucronate apex Rounded base Serrate margins White hairy beneath Racemes 48 long F ls wwhite petals 6 Flowers hang down from horizontal raceme under leaves Many stamens 35 caIpels fused W35 stigma lobes Fragrant Page 5 of7 Ovoid pubescent drupe Small deciduous tree 2030 ft tall Horizontally spreading branc e Branches pubescent when young Landscape Plant Recognition Plant Descriptions Field Day 13 Corylus cornuta BETULACEAE western or beaked hazelnut North America Leaves Flowers Fruit Other Alternate simple Monoecious Hazelnut or f bert Deciduous Oblique base Catkins Males 1 long Beaked nut formed by Many stemmed Upper margin coarsely Female ws hidden in winter involucre that extends 1 1 12 48 high amp wide serrate buds with just crimson stigmas beyond fruit Bristlyhairy twigs 1 1z4 12 long 13 wide emerging after males Fruit is edible if you beat the Corylus is what the Greeks Very soft densely pubescent leaves wildlife to it called hazelnuts cornuta means beaked and refers to the in orescence and fruit Lonicera Ciliosa CAPRIFOLIACEAE western trum et hone suckle Western US Leaves Flowers Fruit Other Opposite simple Terminal clusters of orange Berries wseveral seeds Vine Elliptic to ovate red tubular to trumpet Orangere Deciduous Entire margin whairs shaped flowers Hollow twigs Leaves at end of twig fused 115 in long Ciliosa fine hairs on the leaf to form one leaf surrounding margin the inflorescence Gaultheria shallon ERICACEAE salal W North America Leaves Flowers Fruit Other Alternate Simple Infl 7 multi branches Red to purpleblack colored Small evergreen shrub Broadly ovate sort of lemon panicles erry 56 ft high shaped dull and rough Urnshaped Edible Spreads by suckering texture 5merous Stamens 10 Often wpersistent style New shoots often red Finely amp sharply serrate White wpink tinges Popular bouquet green Shortpetioled leathery Page 6 of7 1 Recognition Plant 11 39 H iField Day 13 Symphoricarpos albus CAPRIFOI TAFF AF N snowberry W North America Leaves Flowers Fruit Other Opposite simple In 7 dense terminal cluster Clusters ol white 2 seeded Deciduous shrub 26 IL Elliptic to oval A 2 long or a few llowers berries spreading by rhizomes 39 ti Pink to white small Erect thin branches Leaves on fastigrowing Bellishaped Berries persist over the shoots tend to be lobed Sepals 5 Petals 5 39nter Stamens 5 Style 1 Page 7 of 7 Landscape Plant Recognition Plant Descriptions Field Day 1 CUPRESSACEAE cypress family Cosmopolitan Leaves Cones Other Evergreen Cones male amp female Trees and shrubs Mostly scale like foliage or Cone scales in pairs peltate Aromatic whorled in 3 s or basally attached Resinous Cones generally smaller than Pinaceae cones Axillary or terminal on branchlets Berrylike in junipers Thuja CUPRESSACEAE cedar or arborVitae Leaves Cones Other Scalelike Very small cone Thuja is a Greek name for a Thuja plicata CUPRESSACEAE larger than Chamaecypan39s Opposite amp decussate Laterals almost covering facia 5 western red cedar wooden rose Ovoid or oblong Monoecious Western N America kind of juniper which is in this family but a different genus Leaves Cones Other Scalelike wooden rose Huge fast growing tree Butter y pattern of 1012 cone scales to 200 ft in PNW Stomata 0 bad a blquot 0 quotXquot Cones turned up and bent Bark reddish brown and N 0 obvious gland 0n backward on branch stringy underside Laterals almost covering facia s Yellowishgreen color usually shining on the upper surface Page 1 of 10 Branches drooping then curve upwar plicata folded into plaits or pleated Used by Native Americans sweet citrus scen Landscape Plant Recognition Plant Descriptions Field Day 1 Chamaecyparis CUPRESSACEAE cypress Leaves Cones Other Scalelike Cones roundish Trees with nodding leader smaller than Thuja soccer ball Leaves sometimes unpleasant Branchlets usually attened Scales opposite Peltate umbrella shaped smelling quotChamaequot means dwarf but Monoecious many Chamaecypan s are very large Chamaecyparis lawsom39ana CUPRESSACEAE Lawson cypress 0r Port Orford cedar Western N America Leaves Cones Other Scalelike soccer ball Pyramidal growth form Closely appressed Small cone 7 13 across to 200ft White Y or X mark on mature in a single season Bark grayish underside Laterals much larger than facials scales decussate Susceptible to root rot in some Male cones red W in spring areas Leaf scent not as sweet as Thuja but sweeter than yellow cyprus close relative flex AQUIFOLIACEAE holly Leaves Flowers Fruit Other Alternate ln iclustered cyme or Drupe Trees amp shrubs Simple amuary amp SOhtary Brightly colored Acidic soil Entire to serrate spiny Mostly evergreen and leathery Short petiole Stipules minute Radial symmetric ower Persistent sepals Mostly dioecious Flowers 4 5 parted small Ovary superior Page 2 of 10 Landscape Plant Recognition Plant Descriptions Field Day 1 Ilex crenata AQUIFOLIACEAE convexleaved holly Japanese holly Russia Japan Korea Leaves Flowers Fruit Other Alternate Fls 4 parted Globose round drupe Shrub Simple Female s solitary dark colored Many branches Margin serrulate crenate on upper bla e Elliptic or obovate to oblong lanceolate Male fls in 37 fld cyme quotCrenataquot means rounded scallops on leaf margin Several cultivars Good hedge plant Small 12 to 1 long Mostly flat Upper 7 dark green Lower dotted with glands glabrous Petiole short OLEACEAE olive family cosmopolitan Leaves Flowers Fruit Other Deciduous or evergreen Fls39 a duary or terminal Samara berry drupe or Trees or shrubs Radlal perfect or imperfect ca S e Opp0s1te 4 parted p Fragrant owers Simple or pinnately compound Sepals N united Often Ollve39hke frult Entire Petals united N no stipules Stamens 2 Pistils 2 fused Ovary superior F orsythz39a OLEACEAE forsythia Asia amp southern Europe Leaves Flowers Fruit Other Deciduous Clusters of 16 fls in leaf axils Capsule W many Winged seeds Shrub to 10 Opposite Simple N3 lea ets N toothed Golden yellow Appear before leaves Perfect Page 3 of 10 Branchlets hollow or layered Prune after blooming Several good cvs ofF X intermedia Landscape Plant Recognition Plant Descriptions Field Day 1 PlNACEAE pine family northern hemisphere Leaves Cones Other Evergreen Monoecious rarely di Trees or shrubs Needles or linear leaves Male cones small consisting spirally arranged of many small scales Female cones woody consisting of many small overlapping scales Pinus PlNACEAE pine Leaves Cones Other Evergreen Monoecious Trees some shrubs Pinus nigra PlNACEAE Needles Spirally arranged Fascicles bundled at base with a papery sheath 2 3 or 5 per fascicle depending on species Austrian black pine Woody scales spirally Whorled spreading branches arrange Bark furrowed or scaly Scales Wkeel blunt or 2 subgenera soft pines White rounded protuberance needles in 5 cones unarmed resinous Hard pines black or red needles in 2 or 3 cones armed Austria N Italy to the Balkans Leaves Cones Other 2 per fascicle Female cones yellowish Tree to 150 ft 46 long Pollution tolerant Stiff OVOid Dark green 23 long 1 W Wide Page 4 of 10 keel differing in color Landscape Plant Recognition Plant Descriptions Field Day 1 Skimmz39ajaponica RUTACEAE China Japan SE Asia Leaves Flowers Fruit Other Alternate Dioecious Red fruit on female plants Small shrub 34 ft Simple ln icyme Berry Evergreen Entire Radial Very susceptible to mites Leather 4 parted esp in hot locations Citrus scent Crowded at ends of branchlets looks whorled Ellipticoblong to oblong o ovate Bright yellowishgreen darker Female s with 45 staminoids sterile White and fragrant quotSkimmiaquot is from the Japanese name Cedrus PlNACEAE true cedar Mediterranean and W Himalayas Leaves Cones Other Needlelike Monoecious Trees to 250 ft Thin and rigid Male cone upright 4 long Pyramidal when young at Dense whorls 0525 in long ripening in fall topped when old on short shoots Female cone upright waxy at Evergreen Page 5 of 10 rst then deciduous 6 tall Scales thin rounded amp arranged tightly together with small bract Matures in 2quotd or 3quoti year Seeds W Wings NOTE lots of species are commonly called quotcedarquot this is the true cedar Landscape Plant Recognition Plant Descriptions Field Day 1 Cedrus deodara PINACEAE Himalayan cedar W Himalayas from W Nepal to Afghanistan each spur 1 yr growth N Triangular pointed Needles longer than other cedars can be up to 2 in Needles have greenish blue color Male cones shed in spring look like cheetos Winged seeds Scales rounded wtiny appendix bract Maturing in 2nd or 3 1 yr Leaves Cones Other Needles rigid Monoecious Tall tree Densely fascicled on spurs Upright female cones Evergreen Spreading branches Branches more pendulous than other cedars quotDeodoraquot comes from a name used in India arching from base to tip In with bracts beneath often showy Page 6 of 10 Vinca minor APOCYNACEAE periwinkle S Russia N Caucasus Leaves Flowers Fruit Other Opposite amp decussate Solitary Follicle Trailing plant wupright Simple Entire Perfect Radial bmmheilto 6 Lghm swans Elliptic to ovate Corolla funnelform fEOOt aSt ey touc groun 12 to 1 12 long Slobed verge Stems 7 milkyjuice when Lilac blue pink white ft ms j iny green broken mostly in early spring VII 15 erm a Latm word 1 diameter meaning to blnd or wrap Somewhat invasive in CA V major has larger cordate lvs Camus CORNACEAE dgwood Leaves Flowers Fruit Other Opposite alternate in one In Terminal Drupe or berry Trees shrubs herbs species Tight amp compact If you tear a leaf will see Simple Perfect Ovary inferior strings inside veins Arcuate venation veins 4 parted Bracts can change color with age Landscape Plant Recognition Plant Descriptions Field Day 1 C ornus mas CORNACEAE Cornelian cherry Europe W Asia Leaves Flowers Fruit Other Opposite ln 7 Short stalked umbels Drupe Small tree to 20 ft Simple Fls apetalous Ellipsoid If you tear a leaf will see Ovate Bracts yellow not showy Dark reddish black Strings inSide veins 4 long Bracts can change color with 35 pairs of veins Long hairs on underside of leaves in vein axi s age Early owering before leaves Fruits edible quotmasquot means masculine Buxus sempervirens BUXACEAE box Europe N Africa Turkey Leaves Flowers Fruit Other Opposite ln 7 axillary or terminal Distinctive 3 horned capsule Shrub Entire clusters but often not seen Evergreen Small leaf small female in center Many branched Short petioled Elgrmunded by several male Heavily used in hedges amp 39 to iaries Leathery Female s p Many leaves slightly concave A 1 Leaves have a distinctive 39 Feta Gus smell likened to cat urine Elhptlc obtuse or emarg1nate S 1 6 at apex 39 epa S New leaves 1n cabbage head Styles3 may indicate insect or disease Yellowish green and lustrous on both upper and lower surfaces Male s Sepals 4 Stamens 4 longer than sepals Yellowgreen Page 7 of 10 problem Landscape Plant Recognition Plant Descriptions Field Day 1 Viburnum ADOXACEAE formerly in CAPRIFOLIACEAE Viburnum Leaves Flowers Fruit Other Opposite ln 7 Axillary or terminal Drupe w 1 compressed stone Shrubs or small trees Simple Compound umbel at Deciduous or evergreen Rarely palmately lobed topped or convex dune Many popular omamentals Variable shapes Radial N Scented owers Lanceolate to rounded corona petals 5 lobed Entire to serrated Often rough amp thick Often prominent veins rotate discshaped to campanulate tubular Narrowly ovate or lanceolate 4 long l 2 Wide Lustrous dark green on top Pale underneath amp pubescent on veins Veins connect before reaching leaf margin red ca yx Corolla tube much shorter than lobes Page 8 of 10 Stamens 5 White to pinkish Viburnum tinus ADOXACEAE laurustinus Mediterranean Leaves Flowers Fruit Other Opposite In Compound umbel Fruits ovoid metallicblue Bushy shrub with red Simple Entire Umbel is convex druPeS brancmets Leathery slightly wrinkled White or pinkish s w wine Evergreen Red White and blue shrub referring to the branchlets owers and drupes Landscape Plant Recognition Plant Descriptions Field Day 1 Ribes sanguineum GROSSULARIACEAE red owering current W North America Leaves Flowers Fruit Other Alternate ln 7 loose pendulous spike Berry with persistent sepals Twiggy shrub 35 lobed palmate Red or pink owers White in blue with a whitish bloom Deciduous Palmately veined usually with 5 main veins some cultivars Radial Perfect 5 parted Sepals 5 united Styles 7 2 W in diameter Page 9 of 10 not always seen Stems do not have spines like many other Ribes Likes sunny spots Associated with white pine blister rust Rufous hummingbirds follow the blooms during migration Cultivars include White Icicle with white owers King Edward VII with pinkishred owers Landscape Plant Recognition Plant Descriptions Field Day 4 Epimedz39um BERBERIDACEAE Mediterranean to temperate E Asia Leaves Flowers Fruit Other Ternately compound Small nodding in Capsule Wseveral seeds Perennials 0515 ft Cordate inflorescences Seeds have eshy aril Evergreen or deciduous Serrulate or with sharp points Palmately veined Petiole is long thin and wiry looking Radial Perfect Yellow purple pink or White Sepals 2 whorls of 4 each outer ones fall early inner ones petallike Petals 4 at or spurlike Stamens 4 Anthers open from aps at the base Not commonly seen groundcover Has tufted or creeping rhizomes Good in dry shade Cut back in early spring for nice looking growth camellia E Himalayas Japan Malaysia Leaves Flowers Fruit Other Alternate Solitary or few clustered in Capsule Trees to 45 ft or shrubs Simple lea axi 5 Evergreen Usually serrate Usually sessile no pedicel C sinensis is the source of tea Leathery Perfect Radial Large and C sasanqua is an early No stipules showy white pink red bloomer C japanica has Bracts and sepals fall away as blossom rot in this climate C ower opens Xwilliams better cross of C Sepals 5 saluenensisx C japanica Petals 5merous or multiples produced by JC Williams in Many stamens fused at base the early 19305 and to petals Elaeagnus pungens ELAEAGNACEAE Japan Leaves Flowers Fruit Other Alternate Shortstalked Drupelike ellipsoid Fastgrowing shrub to 12 ft Shortpetioled Calyx 4 lobed brownishred has scales with arching branches Elliptic oblong 24 in long Slender funnel shaped 1234 in Hummingbirds like owers Strongly undulate margin No corolla Evergreen Lower covered with silvery White Branchlets brown covered scales and dotted wbrown sca es Variegated cv common Scaly Usually 3 owers in leaf axils Fragrant flowers in fallwinter Page 1 of 8 with brown scales Some thornsspines Pungenssharp pointed Landscape Plant Recognition Plant Descriptions Field Day 4 Aucubajaponica GARRYACEAE Japan Leaves Flowers Fruit Other Opposite paired Dioecious Berries Shrub to 10 ft imp e Compound upright dense Oblong Evergreen Entire on margin at base infl panicle Scarlet Stems very green serrate above middle purple color up to an inch long Does well in shade s Leathery Elliptic ovate or oblong Tip 7 acute to acuminate Male fls numerous in upright clusters at tips of branches 4 sepals 4 petals 4 stamens Female fls have fewer scluster W 4 petals 1 style Cultivar Variegata has lvs spotted Wyellow marks 7 planted often Formerly Cornaceae Berberis BERBERIDACEAE barberry N Hemisphere amp S America Leaves Flowers Fruit Other Alternate SOlitary or in CluSterSgt unlde Berry Spherical to ellipsoid Shrubs to 15ft Berberis nervosa BERBERIDACEAE Occurring on shorts shoots from axils Simple with spines on stems Berben39s to pinnately compound with spines on leaves formerly Mahania Leaves of shoots reduced to l to 3parted spines except those formerly in Mahania or grapelike bunches or long upright or drooping racemes or panicles Mahania from axils Flowers perfect radial symmetry yellow or orange Sepals 6 in two whorls re exed Petals 6 in two whorls Stamens 6 Anthers open with valves Stamens spring forward when touched low or dull Oregon grape Red to dark purple W North America Evergreen or deciduous Usually with yellow wood and roots Includes species formerly found in the genus Mahania Leaves Flowers Fruit Other Alternate ln in clusters on short stalks Berry dark purple Shrub to 2 ft Pinnately compound racemes Rhizomatous No spines on branches 48 in long Likes shade Leaves spineydentate Axillary Formerly Maham39a nervasa Lea ets 1119 or 59 pairs Margin not undulate compare B aquifalium veins not nna Thick Greygreen color dull on upper surface Yellow Flowers 3parted Page 2 of 8 Landscape Plant Recognition Berberis a ui olium sBERBERIDACEAEZ tall or shining Oregon grape Leaves Plant Descriptions Field Day 4 W North America Other Alternate Pinnately compound Lea ets 59 24 pairs Lvs undulate Lvs spinytoothed No spines on branches Shiny on upper surface Berberis Arthur Menzies RFRRFRTDACEAE Flowers Fruit In in clusters on short stalks Berry Axillary Dark purple 23 in long Yellow Flowers 3parted Shrubs 38 ft Formerly Mahania aquifalium Garden orgin Leaves Flowers Fruit Other Pinnately compound In every long to 1 ft Berry dark purple Tall shrub 1831 leaflets 910 pairs in Axillary Stems with strongly grooved compare B aquifalium w34 Yellow bark glaucous when young pairs B nervosa with 59 3parted Good hummingbird attractor pairs Very spiny margins 34side Dull green Flowers in winter Page 3 of 8 Selected in 1964 by the UW Arboretum from seed sent to us by the horticulturist at Strybing Arboretum in San Francisco named after him Charity is a Sim ar cultivar owers later Landscape Plant Recognition Plant Descriptions Field Day 4 Thujopsz39s dolabrata CUPRESSACEAE Hiba arborVitae Japan Leaves Flowers Fruit Other Scalelike opposite 4ranked Male cones small black ovoid Cones 7 broad ovoid Evergreen tree to 130 ft much larger than Thuja on side shoots N 2 long Forms pyramid shape Upper glossy dark green 810 scales Branchlets flattened Thick Slow growing Tsuga PlNACEAE Tsuga heterophylla PINACEAE Under large white patches hemlock Leaves Flat linear and blunt Varying lengths between 05 to 125 in long White stomatal bands on N America E Asia Cones Monoecious Male cones small globose reddish on ends of branchlets Other Trees to 160 ft wnodding leaders Pyramidal form when young Female cones small usually Evergreen lower surface up to 1 in but as large as 3 Often With cinnamonred Leaves spirally arranged but in in one sp ovoid with furrowed bark usually 2 ranked arranged few rounded scales in 2 rows on the shoot by a Located terminally on lateral twisting of the petioles and shoots leaves No exserted bracts compare Leaves attached to slightly With Pseudalsuga menziesz39i forward pointing rounded Seeds with one long Wing pegs on twigs Western hemlock Alaska to California Leaves Cones Other Needles linear leaves Cones not stalked sessile Tree to 200 ft Evergreen Leaves spirally arranged Usually 2 ranked Varied sizes but short to 34 F lattened Lower 72 white bands of stomata ill defined and indistinct green margin Shortpetiole Apex blunt Page 4 of 8 Cones 1 long Thin smooth scales Cinnamonred furrowed bark HorizontalN pendulous branc es State tree Shade tolerant heleraphylla different leaves refers to leng 5 Similar to T canadensis an east coast species Landscape Plant Recognition Plant Descriptions Field Day 4 Pseudotsuga menzz39esiz39 PINACEAE Douglas r British Columbia to California Rocky Mts Leaves Cones Other Needles linear leaves Monoecious Tree to 300 ft Spirally arranged 2 ranked Cone with threeforked Ever een Needles 1 long Short petiole Upper 7 Grooved Lower 7 2 white stomatal bands Pointy bud tips reddish orange amp shiny bud scales stick to leaves later in season tree heath Leaves Flowers exserted bract mouse back legs and tail Cone 45 long lrregularly whorled branches Ovate leaf scars on branches Prefers sun Leaves can vary in length and width between trees Genetically diverse Bark deeply furrowed amp reddish brown when mature SW Europe Mediterranean N Africa E Africa Fruit Other Umbellularia calz39form39ca LAURACEAE Ternate whorls of 3 Needlelike linear 02505 in long ln 7 Large pyramidal on compound stalks panicles Calyx 4 parted Corolla 4 lipped urnshaped or tubular Stamens 8 California laurel 0r Oregon myrtle 4valved capsules S Oregon N California Small tree to 12 ft occasionally to 20 ft Twiggy Flowers scented Wood used for making briar wood smoking pipes New cultivar with yellowish foliage available Leaves Flowers Fruit Other Alternate Simple ln 7Umbellike Drupe Tree to 100 ft or shrub Pinnate venation Yellowishgreen Ovoid Evergreen Entire 3 parted 7 in long Smells like a bay leaf but Ovate to lanceolate 6 petals Yellowish green to purple much harsher sometimes sold 26 inches long 1 wide 9 stamens Looks like olive as a bay leaf but is very Upperglossy green quotcamphorquot odor Page 5 of 8 Pedicel of fruit looks like a golf tee inferior Can easily selfseed and pop up in other areas of the landscape close by Landscape Plant Recognition Plant Descriptions Field Day 4 Picea PINACEAE spruce N Hemisphere Leaves Cones Other Needlelike narrow stiff Monoecious Trees to 250 ft 05 7 15 in lon Male cones at or near end of Evergreen Often 4 angled with stomata branches elongate Often whanging branchlets on all 4 sides Red or purple when young and scaly bark Spirally arranged Female cones pendulous Branchlets have peglike Usually very sharp to the Many rounded pointed stalks bearing leaves which touch overlapping scales often remain when the leaves fall very thin and papery with off a quottornquot apex Sharp spruce fine fur fir Length 16 in Never shake hands with a Seeds have single long Wing spruce Picea pungens PINACEAE Colorado blue spruce Rocky Mountains Leaves Cones Other Needles linear leaves Female woody cones Tree to 90 ft Spirally arranged Wpersistent scales yellowish Horizontal branches in N1 long Pendulous hang down whorls Sharply pointed Male catkin like Scaly bark Square in cross section Bluish green Peglike stalks on branchlets Page 6 of 8 Scales paper thin Scales notched 24 long Subject to insect infestations here better in colder climates Landscape Plant Recognition Plant Descriptions Field Day 4 Abies PINACEAE fir Leaves Cones Other Needlelike at 3 2 long Male cones small densely Trees to 100 ft or more with white stomatal bands clustered on shoots in axils Usually pyramidal in form usually on lower surface Often red blue purple Evergreen Abies concolor PINACEAE Leaves have no petiole and are spirally arranged or 2 ranked Wind pollinated Female cones upright deciduous and large up to 10 in tall Scales are rounded with pointed bracts that extend beyond the scale Female cones green sometimes purple Seeds have Wings Young stems often have fragrant resin blisters When leaves fall off there is a circular scar on branch but no pegs as in Picea Sharp spruce fine fir Buds rounded N covered with wax resin or curved needles Buds near ends of twigs often grow in clusters of 3 quotcruciform budsquot lead to very regular branching pattern white r Oregon to N Mexico Leaves Cones Other Needles flat Woody cones Tree Evergreen Spirally arranged turn up on twig u or v shaped Most needles over 112 usually 23 and loosely spaced on twig Lvs grayish or bluish green Lvs mostly straight Stomatal bands on both sides of lvs Circular scar when lvs fall Upright Deciduous Greenish purple 35 long Buds very resinous Bark grayish thick furrowed Young twigs greenish Landscape Plant Recognition Plant Descriptions Field Day 4 Picea abies PINACEAE Norway spruce S Scandinavia to C and S Europe Leaves Cones Other Needles linear leaves Pendulous female cones Tree to 150 ft Spirally arranged Purplishgreen before Evergreen Peglike stalks on branchlets mature brown mature Droopy branches Usually 4 angled or square Thin papery scales Reddishbrown bark looking Cone scale not undulating Picea abies makes big Some lvs point towards apex Larger than Picea pungens babies referring to cones 23 stomata lines on both sides Needles straight or curved N1 in long Dark green Tip not as sharp as some spruces Page 8 of 8 Landscape Plant Recognition Plant Descriptions Field Day 9 Lonicera nitida CAPRIFOLIACEAE boxleaf honeysuckle S W China Leaves Flowers Fruit Other Opposite Simple Paired owers axillary Berry round Evergreen shrub Small 14 58 long Petals form tube Bluishpurple Great alternative to boxwoods Ovate to round Sparted In late summer chus Margin entire White fragrant Can reach 10 ft with dense Blunt apex Glossy dark green some variegated cultivars 1 12 long arching stem 5 Nitida means shining Comm on variegated cv grown too also one with yellow new growth Aesculus hippocastanum SAPINDACEAE common horsechestnut SE Europe Leaves Flowers Fruit Other Opposite In 7 terminal upright 3valved capsules large Deciduous tree Palmately compound panicles Has spines Large winter buds No stipules Very large long petioles Large sessile leaflets L ts obovate serrate Flws white with yellow spots yellow changes to pink after pollination Linden tree or basswood Seed inside is shiny N America and Eurasia Large leaf scars horseshoe with nails Lenticels on branches Branches sweep down then up Squirrels spread the seed Formerly in Hippocastanaceae Leaves Flowers Fruit Other Alternate and simple Umbellike clusters attached Globose nutlike Trees to 120 ft Usually oblique asymmetric to a thin narrow bract Stays attached to bract Deciduous base usually cordate Sepals 5 Petals 5 green to 13 seeds Fibrous bark Usually serrate T ertiary veins ladderlike between secondary veins Deciduous stipules yellow Stamens many grouped in 5 bundles Stamenoids petallike on some spp Style one W5 lobed stigma Page 1 of 5 Large Winter buds Flowers usually fragrant Good honey plant Landscape Plant Recognition Plant Descriptions Field Day 9 Viburnum plicatum var tomentosum ADOXACEAE double le Viburnum China Japan Leaves Flowers Fruit Other Opposite simple In 7 cluster with central stem Drupe Wl compressed stone Shrub Broadovate to oblong ovate Cymes Red turning to dark bluish Branches horizontally 15 4 in long Opposite pairs along spreading Coarsely serrate branches Plicata means pleated Veins 812 nearly straight to margins obvious Fls white inner owers small fertile marginal tomentosum means hairy Densely pubescent flowers large and sterile 5parted elderberry Leaves Flowers Fruit Other Opposite Dense at topped umbels or Red black or white fruit Herbaceous perennials Pinnately compound elongate panicles or racemes Some species edible deciduous shrubs or trees Lea ets ovate to elliptic White to ivory owers Some species only edible Pithy light inner wood easily bluish after being cooked hollowed out Perfect Wood used to make utes and Petals 5 Avoid fruit as a trail snack small instruments Stamens 5 Ethnobotanically important to many native tribes across North America Often sold in America labeled as black current Two native species Sambucus racemasa and S cerulea BETULACEAE Leaves Flowers Fruit Other Alternate Monoecious Nut Carylus sp or samara Deciduous trees or shrubs Simple Male slender long catkins Alnus Belula Wind pollinated doubly serrate margins Female upright or pendulous terminal spike no perianth Fl subtended by bracts 2 or more Page 2 of 5 Landscape Plant Recognition Plant Descriptions Field Day 9 Alnus rubra BETULACEAE red alder coastal N America Idaho Leaves Flowers Fruit Other Alternate Simple Monoecious Wooden conelike Deciduous tree to 75 ft Broadly elliptic 112 to 3 Male long pendulous catkin Small 12 to 1 long Thin gray smooth bark wide Female short upright catkin Persist on tree over the Often with White patches Acute base winter lichens Serrate margins deep and Early successional species doubly serrate tends to prefer wet soils fixes Betula BETULACEAE Margin rolled under revolute at base of leaf Dull green above rusty colored below birch Leaves Flowers Fruit nitrogen Other Alternate and simple Usually ovate w parallel veins Margin usually serrate Deciduous stipules Monoecious Male ws in pendulous catkins 3 per scale Stamens 23 Female flws in pendulous Upright or pendulous catkin like heads Scalelike bracts are often trident shaped and small shattering on the tree Trees to 90 ft or shrubs Deciduous Bark thin white pink or reddish and often peeling catkins 3 per bract Wind dispersed Betula papyrifera BETULACEAE paper birch North America Leaves Flowers Fruit Other Alternate Simple Males 7 pendulous catkins Winged nut Deciduous tree or shrub Serrate W3 owers in each scale axil Female scalelike bracts 18 Bark grayish white Ovate much larger than B has perianth amp tshaped Lenticels in bark bark will pendula Females short 3 wd in axils peel in horizontal strips Rounded base no perianth Bark is waterproof and Deciduous stipules Page 3 of 5 flamm able Root sprouts found in groves Native to Washington north of Everett B jacquemann39i is another paperbark birch that is popular Plant Descriptions Field Day 9 Betula pendula BETULACEAE Leaves European birch Flowe rs Europe Russia Fruit Other Very ovate diamond shaped rhombic and narrows greatly to acuminate apex Much smaller than B papynfera Base cuneate Doubly serrate Males 7 pendulous catkins W3 owers in each scale axil has perianth Females short 3 Wd in axils no perianth Winged nut Female scalelike bracts 18 amp tshaped Bark grayish white with large dark triangles esp towards the base Prunus cerasz fera var atropurpurea ROSACEAE cherry plum SE Europe SW Asia Leaves Flowers Fruit Other Alternate Simple Solitary Drupe red to dark purplish Tree to 25 ft Serrate Whitepale pink red Slender branches Elliptic 12 long Stamens 2530 Most common form of P Stipules but no extra oral 5 parted cerasifera nectaries There are other purple leaved Pubescent under on midrib species but this is most mon cerasifera means bearing cherries suckers water sprouts we Leaves Flowers Fruit Other Opposite Simple usually palmately lobed 39 lobes or compound both palmately and pinnately with 3 5 but rarely 9 lobes or lea ets Dioecious or andromonecious male owers and bisexual owers on same plant Short racemes panicles or corymbs Perfect or imperfect Small Sepals 5 rarely 4 sometimes fused Petals 5 rarely 4 6 or none Stamens 8 rarely 4 5 or 1012 Page 4 of 5 Double samara schizocarp Trees to 130 ft or shrubs Primarily deciduous few evergreen Formerly Aceraceae Landscape Plant Recognition Plant Descriptions Field Day 9 Acer saccharum SAPINDACEAE Leaves Flowers sugar maple Central amp Eastern N America Fruit Other Leaves opposite palmately Dioecious lobed w 5 deep lobes w acuminate tips amp few narrowpointed teeth on on hairy sta Leaves 3 12 5 12 in long and lobes w2 styles wide 5 main veins extend from base of leaf Dark green upper surface of leaf paler on lower surface with some pubescence on veins Acer macrophyllum SAPINDACEAE bigleaf maple Flowers in drooping clusters lks Flowers small yellowgreen margin color bellshaped with 5 Fruit a double samara Hairless and angle is less than 120 degrees looks like a horseshoe U Deciduous tree to 90 ft Good fall color red orange yellow Bark develops furrows with age This is the maple leaf on the Canadian flag and the source of delicious maple syrup Western side of British Columbia through S CA Leaves Flowers Fruit Other Opposite paired In 7 pendulous and Schizocarp Tree to 90 ft Simple branched panicle Hanging in long clusters Deciduous Very large 612 45 long Spread at sharp angle 90 Flowers before leaves Very deeply 35 lobed Yellow fragrant middle lobe also 3 lobed Long petioles almost as long s eaf Page 5 of 5 Has stiff yellow hairs on it Petioles have milky sap if split Bark grayishreddish brown interlacing ridges amp furrows Most common Seattle Tree Landscape Plant Recognition Plant Descriptions Field Day 11 Lithocarpus densi orus FAGACEAE Oregon California Leaves Flowers Fruit Other Alternate Simple Monoecious Nut enclosed by cuplike Evergreen tree to 100 ft Oblong 35quot long No petals involucre whorl of bracts Branchlets hairy Dentate margins leathery Female flws w3 styles at Acornlike Under densely hairy rusty base of upright spike of male Scales bracts fused in colored flws concentric rings amp reflexed Stout pubescent petioles 05 Male ws yellow in narrow 12 Fruits on a long to lon upright catkins W1218 stalk Parallel unbranching lateral stamens Fruit about 1 long veins p 1 1 I FRTCACFAF Japan Leaves Flowers Fruit Other Alternate looks whorled in 2 ln 7 drooping branched in Capsule wpersistent style Shrub to 10 ft nice structure la ers racemes Deciduous 13 1 Finely serrate Under Brown amp hairy on veins Obovate to elliptic ong 515 ws Perfect Urn shaped or bell shaped 5 lobes Stamens 10 Style 1 Calyx lobe broadly lanceolate Pale yellow wpink stripes Hydrangea anomala subsp petiolaris HYDRANGEACEAE Many varieties 7 flw color varies Good fall color yellow red orange Slow growing quotEnkianthusquot means pregnant ower quotcampanulatusquot means bellshaped Russia Korea Taiwan Japan Leaves Flowers Fruit Other Opposite Simple ln 7 large cluster on central Capsule Climbing shrub waerial Serrate stem cyme 610 diameter roots Ovatecordate broad Two different kinds of Deciduous 24 long 14 Wide Under 7 paler wtufts of hairs Base cordate or rounded acuminate tip Long petioles 23 flowers showy sterile ws or 35 sepals on margin of cyme with a long pedicel and small fertile central ws with a short pedicel Flws white On sterile owers the enlarged caylx lobe toothed Stamens 1520 Page 1 of 6 quotanomalaquot refers to it being different from others in the genus quotpetiolarisquot to the long petio es Landscape Plant Recognition Plant Descriptions Field Day 11 Acer palmatum SAPINDACEAE Leaves Japanese maple Flowers China Korea Japan Fruit Other 59 palmately lobed Lobes deep goes beyond middle of leaf some way beyond in some cvs lobes overlap ln 7 clusters corymbs Flws red or purple Dioecious ln 7 Coymb W620 ws Sepals petals 5 Schizocarp double samara Spreading at 90 No hairs Small deciduous tree Leaf color and degree of lobe depth high variable among the hundreds of cultivars Lobes oblonglanceolate Stamens 2 Doubly serrate Styles 2 Acer circinatum SAPINDACEAE Vine maple W North America Leaves Flowers Fruit Other Opposite Simple n 7 cluster With central stem Schizocarp double Samara Shrub small tree to 30 ft Palmately lobed 79 lobes l coymb W620 ws red when youn Slender branches Lobes not deep Sepals 5 deep pink to red Angle almost 180 7 2 samara Red and White owers among Sinuses v shaped Petals 5 White connected to form almost the showiest inAcer Doubly Serrate Stamens 2 straight line quotcircinatumquot means coiled Styles 2 No hairs compare A PNW native often found in the macrophyllum whairs amp 90 forest understory angle Vaccinium parvz39folz39um ERICACEAE red huckleberry W coast of North America Leaves Flowers Fruit Other Alternate Simple Small urnshaped owers Bright red berry Wmultiple Shrub to 12 ft Oval Greenishyellow to pink seeds Deciduous Entire Lobes re exed Branches strongly angled Single in leaf axils with ridges Page 2 of 6 parvifalium small leaved PNW native Landscape Plant Recognition Plant Descriptions Field Day 11 Syringa vulgaris OLEACEAE common lilac Europe Leaves Flowers Fruit Other Opposite Decussate In 7 dense panicles 4 Beaked capsule Shrubs 815 ft Simple Entire margin 8 long usually paired Wide spreading Ovate cordate base Lilac or white Fragrant 25 long almost as wide Base truncate or cordate Glabrous Corolla tube longer than calyx four lobes Stamens 7 2 There are several other species and enormous numbers of cultivars of S vulgaris available Trochodendron aralioides TROCHODENDRACEAE wheel tree Japan Korea Taiwan Leaves Flowers Fruit Other Alternate Simple ln 7 branched upright wlong Capsule Evergreen tree typically Crowded at the end of stalks racemes 730 ft branches whorled No perranth Spreading branches Lvs rhombicobovate shiny Stamens arranged in wheel Stem green yearround 35 long like frame 4070 in 34 Flws in AprilMay Crenateserrate not at base whorls quotTrochodendronquot means wheel Petiole 7 2 length of blade Carpels 68 each wl stigma tree Acuminate tip long curved Flws bright green peony Europe to E Asia and in W North America Leaves Flowers Fruit Other Alternate may be basal in solitary terminal Fruit a cluster of follicles Herbs or shrubs herbaceous species Sepals 5 Petals 59 Seeds have blueblack eshy Thick soft twigs Usually at tops of shoots Pinnately compound or simple and dissected 7 Ternate Large red white pink 112 leafy bracts Stamens 7 many Large showy short lived Page 3 of 6 aril Contains many infertile seeds Pollinated by polleneating beetles Need fertile soil Paeon was the physician to the Greek gods and the discoverer of its medicinal properties Landscape Plant Recognition Plant Field Day 11 Cereis PA RAF Am Iedbud N AmeIica Europe Asia Leaves Flowers Fruit Other Alternate simple Umb elilike clusters or Long at pendulous pods Small tree to 30 feet Palmately Veined entire racemes before leaves emerge legume First described by Linnaeus in Orbicular to cordate with a Seeds 2 ma l 753 Perfect papilionaceous e a blunt apex Leaves appear after the owers pals like calyx Petals 5 Zilipped covering stamens and ovary Stamens 10 Deep pink purplered white 1 m on year old or older wood including the trunk ersist on tree alter the leaves have fallen Pollinated by bees Plants x nitrogen Cercis carmderlis is native to e North America Cercis siliquzmrum is native to China aderLris ForestPansy has dark leaves cork oak W quot N Africa Leaves Flowers Fruit Other Alternate simple Catkins Acorn ovoidoblong Evergreen tree to 60 ft Ovate to ovateoblong Involucre w elongated scales Bark thick amp corky Undulatjng margl Short stalked Deeply furr owed 172 long Rounded or subcordate at base 475 pairs short teeth Dark green above Grayish under Petioles V234 long mountain a h N temperate regi on Brlts yellowtomentose The source of cork for wine bottles bulletin boards oors etc Quercux mber for the brewer wefers to the cork bark used to cap bo les Leaves Flowers Fruit Other Alternate Inl l i atitopped compound Fleshy pome usually red but Deciduous shrub or tree to 60 Pinnately compound or terminal clusters corymbs also white or pin nsect pollinate simple lobed or coarsely serrate il simple Stipules wmany White 5 merous Stamens 1520 Purplepollen es 5 Page 4 of6 Sorbur aucuparia is the most common in this area somewhat invasive Landscape Plant Recognition Plant Field Day 11 Fraxinus OT PAFPAP ash Pumne A ia N America Leaves Flowers Fruit Other Perfect or imperfect Samara Trees to 125 It or shrubs Opposite and pinnately compound In dense or elongated panicles located in leaf axils or terminally Green or White Sepals 4 or none fused at ase Petals usually 4 can be 2 7 6 or none fused at base Stamens 2 Style w 2 stigmas v o Wind pollinated or insect pollinated Deciduous Two gro with small owers that appear before leaves common ash the other with large white sprays of fragrant owers that app ear after the leaves owering ashiexample Fraxmur 0mm Emerald Ash Borer is an insect recently introduced into the upper Midwest from Europe It is spreading and is a serious pest to this genus Some ashes such as Fraxinur oxycarpa 39Raywood39 are common street trees Juglans nigra JUGT ANDAFPAP walnut Central and EastemUS Leaves Flowers Fruit Other Alternate Monoecious Indehiscent nut wthick husk Tree to 100 It Pinnately compound Males in catkins Deciduous 1224quot long with 10 to 24 leal lets Poorly formed or missing terminal leal let Margins serrate Females in terminal racemes near end ol twigs S als 4 Styles 2 leathery looking Wind pollinated Page 5 of6 Stout twigs wchamb ered piths Trunk straight Bark with deep furrows with a rough diamond pattern Chemicals in leaflitter may be harmful to other plants Landscape Plant Recognition Plant Descriptions Field Day 11 T huja occidentalis CUPRESSACEAE American arborVitae E North America Leaves Cones Other No markings on underside of Very small cone Trees Wstout buttressed trunk leaves wooden rose Very slow growing Short Leaves on main axis Ovoid or oblong growth node few inches conspicuousb glandl ar Monoecious Cultivar Pyramidalis is a Usually dull green above 57 9 cone scales very common hedge plant quotOccidentalisquot means western even though it is native to east NA A Table or serrate 0r serrate Sterile owers N0 may bracts of owers Page 6 of 6 Landscape Plant quot Plant Descriptions Field Day 6 Cercidiphyllum japonicum CERCIDIPHYLLACEAE Katsura tree China Japan Leaves Flowers Fruit Other Simple on spurs Dioecious A small follicle clustered in Deciduous tree to 30 ft Opposite on delicatelooking petioles Cordate or rounded 24 inlong Palmately veined Crenateserrate margin F lws developing from spurs before the leaves No perianth 4 small bracts Males 1520 stamen Female pistils wred stigma leaf axil Oblong shaped N inch long w small winged seeds Slender divided near base into several upright branches Yellow or red fall color Bark deeply furrowed and peeling in long strips Distinctive smell in fall 39Cercis is another genus 39phyllum leaf means that the leaf looks like Cercis Chaenomeles ROSACEAE Japanese or owering quince China Japan Leaves Flowers Fruit Other Alternateclustered and Stalkless umbels w24 owers Pome Trees to 45 ft or shrubs sim le or solita Yellowish to red Deciduous Serrate margin Perfect Radial Shaped like a pear Often has spines Dark een Pink red or orange Smooth bark Stipules large rounded and conspicuous on current season39s growth Sepals 5 fused Petals 5 also double forms waxy Stamens many Styles 5 Flowers before leaves Good on slopes Chaenosplit melesapple but fruit is not split Atlas cedar Morocco 7 Atlas Mountains Leaves Cones Other Needles rigid Upright Tree to 125 ft Densely clustered on spurs 23 in long Blue cultivar most common each spur 1 yrs growth N Triangular pointed Needles shorter thicker Darker greenblue than C deodara Page 1 of 8 Deciduous cones form used Branches not pendulous with horizontal structure Mountains Sunny locations Gray bark Landscape Plant Recognition Plant Descriptions Field Day 6 Photz39m39a ROSACEAE photinia SE Asia Leaves Flowers Fruit Other Alternate and typically simple Infl with white owers Pome Trees to 45 ft and shrubs Lanceolate with a short Sepals 5 fused at base Red Deciduous or evergreen petiole Petals 5 Fastgrowing tolerant of poor Margin usually serrate Stamens many conditions but subject to leaf Bright red new foliage styles 2 rarely 35 blights lasts through season Two species sometimes grown but most in the landscape are a hybrid of the species P X frasen39 Cotoneaster ROSACEAE cotoneaster Leaves Flowers Fruit Other Alternate and usually simple Solitary or in cymes or Pomes Shrubs to 15 ft often creeping Sessile or shortpetioled corymbs located terminal on Red black or orange or ground hugging Usually entire margin Often short lateral branchlets Calyx persistent Often branching at about a w prominent veins and Flowers perfect radial and 450 angle lower surface of leaf pale white pink or red Sepals 2 Evergreen or deciduous Often pubescent 5 fused at base Petals 5 Many species are invasive equal Stamens approx 20 with purplereddish pollen styles 25 Ovary inferior Insect pollinated bees Cotoneaster dammerz39 ROSACEAE China Leaves Flowers Fruit Other Alternate simple entire Solitary in corymb or 3 Fleshy red orange pome Trailing evergreen Elliptic to ellipticoblong flowers wpersistent calyx groundcover Base cuneate Upper 7 dark green Under whitish N mucronate tips 46 vein pairs Short petioles 5 sepals 5 petals rounded white Stamens purple 20 Page 2 of 8 Gray branchlets pubescent when young Lvs purplish in late fall amp Winter Roots Where branches contact the groun Stiff acute angle branching pattern
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