Piptatheropsis exigua (Thurb.) Romasch., P.M. Peterson & R.J. Soreng
little ricegrass
Poaceae (Grass family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #46949)


Map

E-Flora BC Static Map

Distribution of Piptatheropsis exigua
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Species Information

General:
Perennial, strongly tufted grass from fibrous roots; stems hollow, 10-30 (35) cm tall.
Leaves:
Sheaths open, smooth to minutely rough; blades of the stem leaves well-developed, erect, strongly in-rolled, scarcely 1 mm wide; ligules short-hairy on the outside, sharp-pointed, (2) 3-4 mm long.
Flowers:
Inflorescence a very narrow, raceme-like panicle, 3-6 cm long, the few short branches stiffly erect, appressed; glumes broad, nearly equal, faintly 3- to 5- (7-) nerved, 4-6 mm long; lemmas appressed-hairy, mostly equalling or slightly exceeding the glumes, awned from shortly bidentate tips, the awns stout, twisted, abruptly bent, 4-6 mm long; callus hairs lacking.

SourceThe Illustrated Flora of British Columbia

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.

Habitat and Range

Dry talus slopes, rocky ridges and open forests in the steppe and montane zones; infrequent in S BC; E to AB and S to CO, UT, NV and OR.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Piptatherum exiguum (Thurb.) Dorn