Eriochloa villosa |
|
---|---|
hairy cup grass, ériochloé velue |
|
Habit | Plants annual. |
Culms | 30-100 cm, erect or decumbent, sometimes rooting at the lower nodes; nodes and internodes pubescent. |
Sheaths | sometimes inflated, glabrous or pubescent; ligules 0.5-1 mm; blades 10-20 cm long, 5-12 mm wide, flat, adaxial surfaces hairy. |
Panicles | 3-16 cm long, 1-3 cm wide; rachises villous; branches 2-8, 20-70 mm long, 0.8-1.1 mm wide, velutinous, sometimes winged, with 11-24 solitary spikelets (occasionally paired proximally); pedicels 0.5-1 mm, densely villous below, often with long hairs intermixed with the short hairs, apices with more than 12 hairs of 1.5-2.5 mm. |
Spikelets | 3.9-5.2 mm long, 2-2.5 mm wide, ovate to elliptic. |
Lower | glumes occasionally present as a scale; upper glumes equaling the lower lemmas, ovate to elliptic, glabrous or pubescent, 7-veined; lower lemmas 3.4-5 mm long, 2-2.5 mm wide, 5-veined, acute to apiculate, unawned; lower paleas absent; anthers absent; upper lemmas 3.5-5 mm, ovate to elliptic, acute to apiculate. |
2n | = 54. |
Eriochloa villosa |
|
Distribution |
CA; CO; FL; IA; IL; KS; MN; MO; MS; NE; OR; PA; VA; WI
|
Discussion | Eriochloa villosa is a weedy species of eastern Asia that has been found at scattered locations in the Flora region. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 25, p. 509. |
Parent taxa | Poaceae > subfam. Panicoideae > tribe Paniceae > Eriochloa |
Sibling taxa | |
Synonyms | Paspalum villosum |
Name authority | (Thunb.) Kunth |
Web links |