General: Perennial tufted grass from fibrous roots; stems 40-175 cm tall.
Leaves: Sheaths open, smooth to densely hairy, the margins sometimes with a fringe of hairs; blades (0.5) 1.2-5 mm wide; lower ligules 0.2-0.7 mm long, thin and flexible, blunt to rounded, usually without hairs along the margins; upper ligules up to 1.5 mm long, pointed.
Flowers: Inflorescence a narrow panicle, 9-36 cm long, the branches straight, appressed to ascending, the spikelets appressed to the branches; florets not flattened; glumes 6-12.5 mm long, smooth; lemmas 6-7.5 mm long, smooth above, short-hairy below, the hairs 0.2-0.5 mm long, the tips minutely lobed, membranous, 0.1-0.4 mm long, awned, the awns 19-31 mm long, the first segments rough or short-hairy, persistent; paleas 2-4 mm long, 1/3-1/2 as long as the lemmas, the calluses 0.2-1 mm long, blunt, the smooth areas barely extending beyond the base of the callus hairs.
Achnatherum nelsonii var. dorei (Barkworth & Maze) Dorn Stipa columbiana auct. non Macoun Stipa minor (Vasey) Scribn. Stipa nelsonii subsp. dorei Barkworth & Maze Stipa nelsonii var. dorei (Barkworth & Maze) Dorn Stipa occidentalis var. minor sensu C.L. Hitchc., non (Vasey) C.L. Hitchc.
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:
2020-10-29 4:40:27 PM
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