EcoFlora - Setaria reverchonii subsp. firmula

Setaria reverchonii subsp. firmula (Hitchc. & Chase) W.E.Fox
Family: Poaceae knot grass, more...Knotgrass [Panicum firmulum Hitchc. & Chase, more]	FNA Resources James M. Rominger. Flora of North America Sheaths with papillose-based hairs, sometimes nearly glabrous; blades 4-10 cm long, 4-7 mm wide. Spikelets 3-3.2 mm long, subtending bristles 3-6.4 mm. Lower glumes 5-7-veined; upper glumes 5-7-veined. 2n = 36. Setaria reverchonii subsp. firmula is endemic to the sandy prairies of southeastern Texas.
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