Aquatic and Wetland Vascular Plants of the Northern Great Plains
63. Poaceae, the Grass Family
8. Cinna L. -- Woodreed
2. Cinna latifolia (Trev. ex Goepp.) Griseb. -- Drooping woodreed
Similar to the preceding, weakly rhizomatous, 6-13 dm tall; culms single
or few together, erect, not bulbous at the base. Leaf blades 3-13(17)
mm wide, usually scabrous; sheaths smooth to scaberulous; ligule
2-7 mm long. Panicle usually loose and open, rarely condensed, 7-35 cm
long, the branches lax and usually spreading to drooping. Glumes narrowly
lanceolate to lanceolate, scabrous on the keel, both 1-nerved, the first glume
1.6-3(3.5) mm long, the second glume 2-3.5 mm long; lemma 2-3.5 mm long,
scaberulous on the back, usually with an awn 0.3-1.5 mm long from just below
the tip, usually surpassing the tip; anthers 0.5-0.8 mm long. Jul--Aug.
Wet woods, swamps and springs, where water is fresh; occasional in the n and
the Black Hills; (Newf. to AK, s to NC, TN, IL, SD, NM and CA).