General: Perennial grass from conspicuous rhizomes; stems 50-150 (200) cm tall.
Leaves: Sheaths open; blades flat, 7-17 mm wide; ligules rounded, usually with irregular, jagged margins, turned backwards, short-hairy externally, 4-10 mm long.
Flowers: Inflorescence a compact panicle, 7-15 (25) cm long, the branches more or less spreading at maturity; glumes slightly unequal, minutely rough and short-hairy, 3-nerved, sharp-pointed, 4.5-5 mm long; sterile lemmas hairy, brownish, 1-1.5 mm long; fertile lemmas nearly smooth, lightly 5-nerved, 3-4 mm long; paleas 2-nerved, nearly equal to the lemmas; lodicules lanceolate, about 0.5 mm long; anthers 2.5-3 mm long.
Notes: Sometimes introduced as a pasture grass. The variegated ornamental form (forma variegata [Parnell] Druce [var. picta L.]) sometimes occurs as a garden escape.
Wet meadows, ditches and lakeshores in the lowland and steppe to subalpine zones; common in S BC, rare northward; circumpolar N to AK, YT and NT, E to NF and S to ME, MA, PA, VA, AL, AR, OK, NM, AZ and CA; Eurasia.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2021-06-20 9:48:37 AM
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