Coelorachis rugosa (Nutt.) Nash
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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 - Culms 6–10 dm, usually branched above; sheaths overlapping, narrowly but sharply keeled; blades usually folded, 4–8 mm wide; racemes slender; 3–8 cm, exserted or partly included in the subtending sheath; sessile spikelet 4–5 mm, usually surpassing the adjacent internode; its first glume coarsely transversely wrinkled on the back, narrowly 2-winged toward the summit, often notched; sterile spikelet 3–4 mm, often divaricate when dry, together with its pedicel (2–3 mm) conspicuously exceeding the fertile one. Wet pine-barrens; s. N.J. to Fla. and Tex. (Manisuris r.; Rottboellia r.)