Difference between revisions of "Eriochloa villosa"

Revision as of 19:22, 24 September 2019

Illustrator: Cindy Roché, Linda A. Vorobik

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.

Va., Colo., Calif., Minn., Wis., Kans., Nebr., Pa., Ill., Iowa, Miss., Fla., Mo., Oreg.

Discussion

Eriochloa villosa is a weedy species of eastern Asia that has been found at scattered locations in the Flora region.

Selected References

None.

Lower Taxa