Piptatheropsis micrantha (Trin. & Rupr.) Romasch., P.M. Peterson & R.J. Soreng
small-flowered ricegrass
Poaceae (Grass family)
Introduction to Vascular Plants
small-flowered ricegrass
Poaceae (Grass family)
Introduction to Vascular Plants
Species Information
General:
Perennial, strongly tufted grass from fibrous roots; stems numerous, hollow, smooth, 30-70 cm tall.
Leaves:
Sheaths open, smooth to finely short-hairy; blades of the stem leaves well-developed, flat to somewhat in-rolled, (0.5) 1-2 mm wide; ligules more or less fringed with fine hairs, blunt or higher on the sides than at the back, about 0.5 (1) mm long.
Flowers:
Inflorescence a moderately open panicle, 7-15 cm long, the several branches broadly spreading; glumes papery, nearly equal, 5-nerved, long-pointed, 3-3.5 (4) mm long; lemmas smooth (rarely short-hairy), 2-2.5 mm long, awned, the awns firmly attached, straight but twisted, 6-8 mm long; callus hairs lacking.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Habitat and Range
Mesic to dry, rocky slopes and open forests in the steppe and montane zones; infrequent in SC and SE BC; E to SW MB and S to OK, ND, NM, AZ and NV.Status Information
Synonyms
Synonyms and Alternate Names:
Piptatherum micranthum (Trin. & Rupr.) Barkworth