Poa Genus bluegrass Poaceae

Poa compressa. Cronquist, et al.1977. Intermountain Flora. vol. 6, The New York Botanical Garden, New York. redbuttecanyon.net

Poa compressa. Cronquist, et al.1977. Intermountain Flora. vol. 6, The New York Botanical Garden, New York. redbuttecanyon.net.

Poa is a genus of annual or perennial C3 grasses.

Leaves with a distinctive, blunt, boat-shaped tip; leaf sheaths free (except base), margins overlapping.

Flower spikelets 2-several flowered, the upper florets small or vestigial, awnless, laterally compressed; glumes (2 bracts at the base of the spikelet) shorter than spikelet, 1st glume often 1-veined, the 2nd 3-veined; base of lemma (first bract of the floret) often cottony-hairy, back with a longitudinal ridge (keeled); inflorescence with branches in small clusters of 2-5 (occasionally many).

Poa pratensis leaf tip. forages.oregonstate.edu

Poa pratensis leaf tip. forages.oregonstate.edu

Fruit A one-seeded grain.