Setaria parviflora (Poir.) Kerguélen
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Poaceae
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Scientific Name
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Description
Species Description - Perennial 3–12 dm from short, knotty rhizomes; sheaths glabrous; blades flat, to 25 cm, 2–8 mm wide, scabrous above and sometimes long-hairy at the throat; infl dense, cylindric, 3–10 cm, green or tawny, its axis scabrous-hispid; bristles 4–12 below each spikelet, 2–12 mm, antrorsely barbed; spikelets 2–2.8 mm; first glume 3-veined, a third as long as the spikelet, the second 5- veined, half to two-thirds as long as the spikelet; sterile lemma equaling the fertile one, clasping a broad palea of equal length, often staminate; fertile lemma transversely rugulose; 2n=36, 72. Moist ground, gardens, salt- marshes, and waste places; tropical N. Amer., n. to Calif., Tex., Kans., Io., Ill., W.Va., and Mass. (S. geniculata)
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Common Names
knotproof-foxtail