Aquatic and Wetland Vascular Plants of the Northern Great Plains
63. Poaceae, the Grass Family
8. Cinna L. -- Woodreed1. Cinna arundinacea L. -- Woodreed
Nonrhizomatous to weakly rhizomatous perennial 6-15 dm tall; culms solitary or few together, erect, often bulbous at the base. Leaf blades 3.5-12(14) mm wide, glabrous to scabrous; sheaths glabrous; ligule 2.5-11 mm long. Panicle rather condensed, 10-30 dm long, the branches strongly ascending. Glumes narrowly lanceolate, scabrous on the keel, the first glume 1-nerved, 3-4.5 mm long, the second glume 3-nerved, 3.8-6 mm long; lemma 3.5-5 mm long, scaberulous on the back, usually with a short awn 0.2-1.5 mm long, arising just below the tip and often not surpassing it; anthers 1.1-1.7 mm long. Late Jul--Sep. Wet to moist woods and stream banks; uncommon, mainly in the n and e parts; (MN to MT, s to GA and e TX).
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| Cinna arundinacea (from Hitchcock 1950). |
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