Blooms: June - July
Habit: herb
Duration: perennial
Origin: Introduced
Distribution: Common throughout southern Alaska and Canada, and all of the United States except the southeast.
Habitat: Wet places, especially along highways.
Habit: herb
Duration: perennial
Origin: Introduced
Distribution: Common throughout southern Alaska and Canada, and all of the United States except the southeast.
Habitat: Wet places, especially along highways.
Species Description:
General: Strongly rhizomatous perennial, the culms hollow, 7-14 dm. tall.
Leaves: Sheaths open; ligules 4-10 mm. long, obtuse; blades flat, 7-17 mm. broad.
Flowers: Inflorescence a compact panicle 8-15 cm. long, but the branches somewhat spreading; spikelets 3-flowered, strongly compressed, the uppermost floret perfect, the lower two represented by sterile lemmas; glumes slightly unequal, 4.5-5 mm. long, acute, 3-nerved; sterile lemmas 1-1.5 mm. long, brownish, hairy; fertile lemma 3-4 mm. long, subglabrous, 5-nerved; palea subequal to the lemma, 2-nerved.
General: Strongly rhizomatous perennial, the culms hollow, 7-14 dm. tall.
Leaves: Sheaths open; ligules 4-10 mm. long, obtuse; blades flat, 7-17 mm. broad.
Flowers: Inflorescence a compact panicle 8-15 cm. long, but the branches somewhat spreading; spikelets 3-flowered, strongly compressed, the uppermost floret perfect, the lower two represented by sterile lemmas; glumes slightly unequal, 4.5-5 mm. long, acute, 3-nerved; sterile lemmas 1-1.5 mm. long, brownish, hairy; fertile lemma 3-4 mm. long, subglabrous, 5-nerved; palea subequal to the lemma, 2-nerved.
Accepted Name:
Phalaris arundinacea L.Synonyms:
Phalaris arundinacea L. var. picta L.
Phalaroides arundinacea (L.) Raeusch.
Phalaroides arundinacea (L.) Raeusch. var. picta (L.) Tzvelev
Treated in Flora of the PNW as:
Phalaris arundinacea
Additional Resources:
PNW Herbaria Specimens: View list of Phalaris arundinacea specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Phalaris arundinacea specimens in the WTU Herbarium database.
Washington Flora Checklist: Phalaris arundinacea treatment.
E-Flora BC: Phalaris arundinacea atlas page.
CalPhotos: Phalaris arundinacea images.
USDA Plants Database: Phalaris arundinacea.
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Fred Weinmann
Fred Weinmann
Bud Kovalchik
Bud Kovalchik
Bud Kovalchik
Bud Kovalchik
Bud Kovalchik
Bud Kovalchik
Bud Kovalchik
Bud Kovalchik
G. D. Carr, 2007
G. D. Carr, 2007
G. D. Carr, 2007
G. D. Carr, 2007
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 WA Native Plant Society |
