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"
acuminate +  and rounded +
Walter C. Holmes +
Hooker +
cordate +
bluish black +  and black +
subglobose +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
4 cm40 mm <br />0.04 m <br /> (8 cm80 mm <br />0.08 m <br />) +
pubescent +  and not glaucous +
not lustrous +
ovate +  and round +
reduced +
3 cm30 mm <br />0.03 m <br /> (?) +  and 6 cm60 mm <br />0.06 m <br /> (?) +
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 +
pistillate +  and staminate +
Rich, alluvial woods, thickets, borders +
pedunculate +  and umbellate +
distributed +
evergreen +  and deciduous +
leathery +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0 cm0 mm <br />0 m <br /> (12 cm120 mm <br />0.12 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (9 cm90 mm <br />0.09 m <br />) +
Flowering May–Jun. +
Fl. Bor.-Amer. +
stoloniferous +  and tuberous +
filiform +
Illustrated +  and Endemic +
erect +  and ascending +
200 cm2,000 mm <br />2 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
herbaceous +  and woody +
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 +
bronze +, yellow +  and greenish +
distinct +
ovate;elliptic +
3.5 cm35 mm <br />0.035 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
globose +