Prairie cupgrass

Eriochloa contracta

Erect or ascending, sometimes bent and decumbent below, hollow, glabrous to short-pubescent, especially near nodes.
Blades: Flat, folding lengthwise when drying, 1.6 to 8+ inches long, 1/8 to 1/3 inch wide, midrib not prominent, short-pubescent to glabrous.
Sheaths: Shorter or longer than internodes, open, not keeled, glabrous to short-hairy.
Ligules: Dense fringe of soft white hairs, less than 1/25 inch long.
Inflorescences: Panicle, slender, contacted, cylindric, 2 to 6 inches long; composed of 8-22 spike-like, closely overlapping, 1-sided racemes mostly .4 to .8 inch long. Spikelets mostly occurring singly along 1 side of each branch; paired near base.

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