General: Perennial grass from conspicuous rhizomes; stems smooth, 20-100 cm tall.
Leaves: Sheaths smooth; basal leaves in loose tufts, shorter than the stem leaves; blades 1-4.5 mm wide, 2-26 cm long, the leaves decreasing in length upwards, the nerves prominent on the upper surfaces; ligules up to 0.1 mm long, membranous; ear-shaped lobes at the leaf-bases 0.2-1 mm long, clasping the stems.
Flowers: Inflorescence a terminal, 2-ranked spike, 5-17 cm long, 4-10 mm wide, with 1 spikelet per node, occasionally the spikelets paired; spikelets 2- to 12-flowered, 12-26 mm long; glumes lanceolate, unequal, rigid, somewhat curved, 5-15 mm long, 3-5 nerved from midlength or lower; lemmas 6-14 mm long, unawned or with awns 0.5-5 mm long.
Moist to mesic slopes in the steppe and montane zones; infrequent in BC east of the Coast-Cascade Mountains, locally common in NE BC (Peace River grasslands); E to PQ and S to ME, MA, NY, GA, TN, TX, NM, AZ, NV and OR.
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:
2020-11-27 3:52:20 AM
The information contained in the E-Flora atlas pages is derived from expert
sources as cited in each section. This information is scientifically based.
E-Flora also acts as a portal to other sites via deep links. As
always, users should refer to the original sources for complete information.
E-Flora BC is not responsible for the accuracy or completeness of the