Poa pratensis
Kentucky bluegrass
Blooms: April - October
Habit: herb
Duration: perennial
Origin: Introduced
Distribution: Throughout Washington; common throughout temperate world.
Habitat: Moist, distrurbed areas at from the coast to middle elevations.
Species Description:
General: Strongly rhizomatous perennial, the culms hollow, glabrous, 4-10 dm. tall.
Leaves: Sheaths closed about half their length; ligules 1-1.5 mm. long, truncate, usually entire; blades flat, numerous, 2-4 mm. broad, the tips strongly prow-shaped.
Flowers: Inflorescence a moderately loose panicle 3-10 cm. long, the branches slightly ascending, the lower ones 3-5 per node; spikelets 3- to 5-flowered; glumes 2.5 and 3 mm. long, strongly keeled; lemmas about 3.5 mm. long, strongly keeled, cobwebby at the base; palea subequal to the lemma, 2-keeled.
Subspecies & Varieties:
Ours is ssp. pratensis
Accepted Name:
Poa pratensis L.
Synonyms:
(none)
Treated in Flora of the PNW as:
Poa pratensis
Additional Resources:
PNW Herbaria Specimens: View list of
Poa pratensis specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of
Poa pratensis specimens in the WTU Herbarium database.
Washington Flora Checklist:
Poa pratensis treatment.
E-Flora BC:
Poa pratensis atlas page.
CalPhotos:
Poa pratensis images.
USDA Plants Database:
Poa pratensis.
Additional photographs of Poa pratensis:
(click on a thumbnail to view larger photo)

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Fred Weinmann

J. William Thompson

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik