EcoFlora - Chasmanthium nitidum

Chasmanthium nitidum (Baldw.) Yates
Family: Poaceae Shiny Wood-Oats, more...Shiny Chasmanthium [Uniola intermedia Bosc ex P. Beauv.]	FNA Resources J. Gabriel Sánchez-Ken, Lynn G. Clark. Flora of North America Culms 40-120 cm, to 1 mm thick at the nodes, rarely branched,leafy for 80% of their height. Sheaths glabrous; collars glabrous; ligules 0.2-0.3 mm, entire; blades 9-16(33) cm long, 4-7 mm wide, lanceolate-fusiform, glabrous adaxially. Panicles (9)12-17(29) cm, open, erect; branches ascending to divergent; axils of panicle branches scabrous; pedicels 0.5-2 mm. Spikelets 12-24 mm long, (8)9-12(15) mm wide, with (5)7-9(11) florets, lower (0)1(2) florets sterile, fertile florets diverging to 45°. Lower glumes 3.1-5 mm, 7-9-veined; upper glumes 3-4.6 mm, (5)7-9-veined; calluses glabrous; fertile lemmas 5.5-8.5 mm, straight, 9-11-veined, keels not winged, scabridulous toward the apices; paleas 5-7.5 mm; anthers 1.9-2.4 mm, the length invariant within a spikelet. Caryopses 2.4-3 mm, enclosed at maturity. 2n =24. Chasmanthium nitidum grows along stream and river banks, roadside ditches, and the margins of low, moist woods in the southeastern United States.
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