Smilax lasioneura

Hooker
Fl. Bor.-Amer. 2: 173, plate 187A. 1840.
IllustratedEndemic
Synonyms: Coprosmanthus lasioneuron (Hooker) Kunth Nemexia herbacea subsp. melica A. Nelson Nemexia lasioneura (Hooker) Rydberg Nemexia tenuis (Small) Small Smilax diversifolia Small Smilax herbacea var. inodora M. E. Jones Smilax herbacea subsp. lasioneura (Hooker) Á. Löve & D. Löve Smilax herbacea var. lasioneura (Hooker) A. de Candolle Smilax tenuis
Treatment appears in FNA Volume 26. Treatment on page 474. Mentioned on page 470, 475.

Herbs. Stems annual, erect to ascending, branched, 2–2.5 m, herbaceous, glabrous; prickles absent. Leaves evenly distributed, proximalmost smaller, narrower; petiole 1.5–9 cm, shorter than blade; tendrils numerous, long, functional; blade not lustrous, pale green abaxially, ovate to round, 4–8 × 3–6 cm, not glaucous, pubescent abaxially, with transparent trichomes, base cordate, margins entire, convex, apex acuminate to rounded and cuspidate. Umbels many, axillary to leaves, to 35-flowered, dense, globose; peduncle to 12+ cm, short. Flowers: perianth greenish; tepals 35–45 mm; anthers equaling or shorter than filaments; ovules (1–)2 per locule; pedicel 0.5–1.5 cm. Berries bluish black to black, subglobose, 8–10 mm, glaucous. 2n = 26.


Phenology: Flowering May–Jun.
Habitat: Rich, alluvial woods, thickets, borders
Elevation: 300–700 m

Distribution

V26 991-distribution-map.jpg

Man., Ont., Sask., Ala., Ark., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Mich., Minn., Miss., Mo., Mont., Nebr., N.Y., N.Dak., Ohio, Okla., Pa., S.Dak., Tenn., Tex., Wis., Wyo.

Discussion

Smilax lasioneura is primarily distributed in the central plains and lower elevations of the Appalachian and Rocky mountains. Plants distributed in the southern humid areas tend to be larger than those of more northern areas.

Selected References

None.

Lower Taxa

None.

... more about "Smilax lasioneura"
Walter C. Holmes +
Hooker +
Man. +, Ont. +, Sask. +, Ala. +, Ark. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, N.Y. +, N.Dak. +, Ohio +, Okla. +, Pa. +, S.Dak. +, Tenn. +, Tex. +, Wis. +  and Wyo. +
300–700 m +
Rich, alluvial woods, thickets, borders +
Flowering May–Jun. +
Fl. Bor.-Amer. +
Illustrated +  and Endemic +
Coprosmanthus lasioneuron +, Nemexia herbacea subsp. melica +, Nemexia lasioneura +, Nemexia tenuis +, Smilax diversifolia +, Smilax herbacea var. inodora +, Smilax herbacea subsp. lasioneura +, Smilax herbacea var. lasioneura +  and Smilax tenuis +
Smilax lasioneura +
species +