Dendrology Lab Week 3
Dendrology Lab Week 3 FORY 3100
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This 14 page Class Notes was uploaded by Naomi Hampton on Sunday September 18, 2016. The Class Notes belongs to FORY 3100 at Auburn University taught by Dr. Nancy Loewenstein in Fall 2016. Since its upload, it has received 8 views. For similar materials see Dendrology in forestry at Auburn University.
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Date Created: 09/18/16
Chinaberry Meliaceae Melia azedarach Leaves: alternate, bipinnately compound, lacy dark green, musky odor, 1-2ft long, 9-16in wide, petiole lime green w/base clasping stem, leaflets lanceolate w/tapering tips, 1-3in long, margins vary from entire to coarsely crenate to serrate and wavy Twigs: stout, glossy greenish brown w/light lenticels Buds: no terminal bud Flowers: clusters of lavender in spring Fruit: tan when ripe, poisonous Bark: chocolatey brown w/white lenticels, increasingly fissured with age Range: most frequently in east TX; west LA; south to central MS, AL, GA, SC; north FL; non-native, invasive, mostly coastal, roadsides, fencerows, forest margins, old homesites, rare at high elevations, uplands to marshes Site: Form: up to 50ft tall, up to 2ft diameter, branches w/multiple boles Chinese privet Gleaceae Ligustrum sinense Leaves: thin, opposite in 2 rows at near right angle to stem, ovate to elliptic w/rounded tip, hairless beneath, lustrous darker green above, pale green beneath, hairy midvein beneath Twigs: opposite, long slender branching increases upward w/shorter twigs projecting at near right angles, brownish gray turning gray green Buds: Flowers: Fruit: terminal, turns bluish/purplish/black Bark: light gray to brownish gray, slightly rough (not fissured) Range: dense infestations, MS, AL, GA, SC Site: Form: shrub, up to 30ft tall, often multistemmed Chinese tallowtree (popcorntree) Euphorbiaceae Triadica sebifera Leaves: alternate, wide ovate to diamond shaped, rounded wide angled base and short or long attenuated tip, 2-3in long, entire margin, long petiole, dark green w/light-green mid and lateral veins, turn yellow to red in fall Twigs: lime green turning gray w/scattered brownish lenticels, later become striations, milky sap inside when broken Buds: Flowers: slender, drooping spikes to 8in, no petals Fruit: looks like popcorn when bloomed Bark: light gray, shallow grooves Range: southeast TX; south/central LA; central/north FL; southern portions of AR, MS, AL, GA, SClikes moist areas Site: Form: 60-70ft tall possible, up to 3ft diameter Chinese wisteria Fabaceae Wisteria sinensis Leaves: swollen pulvinus, odd pinnate, alternate, margins entire, slightly wavy edges, leaflets oval to elliptic w/tapering pointed tips Twigs: woody vines to 10in diameter, infrequent alternate branching, densely short hairy Buds: Flowers: dangling, showy, stalked clusters Fruit: flattened legume pod, irregularly oblong to oblanceolate, velvety hairy Bark: older tight and dark tray w/light lenticels Range: Site: Form: climbing woody vine Japanese climbing fern Lygodiaceae Lygodium japonicum Leaves: opposite on vine, compound, once or twice divided, generally triangular in outline Twigs: slender, difficult to break, twining, climbing, wiry Buds: Flowers: fertile fronds have smaller segmented fingerlike projections around margins Fruit: Bark: Range: Site: Form: Japanese honeysuckle Caprifoliaceae Lonicera japonica Leaves: opposite, simple, broadly ovate to elliptic to oblong, base rounded, tips blunt pointed to round, margins entire but often lobed in early spring, upper and lower smooth to rough hairy, under whitish, little fuzzy, stems hairy, juvenile leaves look different than adult leaves Twigs: slender woody vine become stout to 2in in diameter, hollow stems Buds: Flowers: sepals/petals 5-parted, distinct or fused, zygomorphic Fruit: turns bluish/black, size of BB Bark: brown and hairy becoming tan, fissured, sloughing with age Range: Site: Form: high climbing, trailing to 80ft long, branching, woody vine Japanese stiltgrass Poaceae Microstegium vimineum Leaves: alternate, projecting out from stem, lanceolate to oblanceolate, blades flat, sparsely hairy on both surfaces and along margins, silvery midrib, little leaves Twigs: alternate branching Buds: Flowers: spike on end Fruit: Bark: Range: Site: Form: kudzu Fabaceae Pueraria montana Leaves: alternate, trifoliate, slightly lobed, tips pointed, margins thin membranous, fine golden hairy, swollen pulvinus, hairy petioles Twigs: hairy stems Buds: Flowers: light/dark purple flowers, pea shaped Fruit: hairy legume Bark: mature eventually rough, rigid, dark brown Range: Site: Form: twining, trailing, deep mat-forming, ropelike woody vines mimosa, silktree Fabaceae Albizia julibrissin Leaves: alternate, bipinnately compound, 6-20in long w/8-24 pairs of branches and 20-60 leaflets per branch, feathery/fern-like Twigs: slender to stout, lime green turning shiny grayish brown w/light lenticels Buds: no terminal bud Flowers: powderpuff pink blooms Fruit: flat, tan legumes in clusters Bark: glossy, thin, light brown turning gray w/raised corky dots and dashes Range: scattered plants or dense infestations in forests and along roadsides; nonnative, invasive Site: Form: leguminous tree 10-50ft tall, single or multiple boles sugarberry Ulmaceae Celtis laevigata Leaves: oval w/acuminate or attenuate tip, base not serrate, palmate veining, 2-ranked Twigs: zigzag Buds: pseudoterminal Flowers: Fruit: Bark: smooth w/warty stuff Range: Site: Form: Oriental bittersweet Celastraceae Celastrus orbiculatus Leaves: alternate, new leaves more narrow and acuminate, older leaves more oval w/little tips almost blunt, crenate Twigs: Buds: at sharp right angle Flowers: Fruit: in leaf axels, round, capsule, husk turns tans, opens orange turns red Bark: Range: Site: Form: twining, woody vine pecan Juglandaceae Carya illinoinensis Leaves: odd, pinnately compound, falcate leaflets Twigs: Buds: valvate Flowers: Fruit: 4-winged husk Bark: light gray, small tight scales Range: Site: Form: thorny olive, silverthorn Elaeagnaceae Elaeagnus pungens Leaves: alternate, simple, oval to elliptic, thick, irregular to wavy margins that may roll under, upper dark green or brownish green, entire underside silver w/brown diamond scales Twigs: multiple stems, densely branched, brown, covered w/brown scales, hairy when young Buds: Flowers: solitary or in small umbels Fruit: looks similar to olives in shape but red w/silvery scales Bark: dark, drab, rough w/projecting shrubby thorns Range: nonnative, invasive Site: Form: densely bushy shrub 3-25ft tall, scattered sharp stubby branches, long limber projecting shoots w/whip-like behavior trumpet creeper Bignoniaceae Campsis radicans Leaves: opposite, odd pinnately compound Twigs Buds: Flowers: orange, look like trumpets Fruit: capsule w/winged seeds inside Bark: Range: native Site: Form: woody vine
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