E-Flora BC: Electronic Atlas of the Flora of British Columbia

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

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #46949)

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Distribution of Piptatheropsis exigua
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Piptatherum exiguum (Thurb.) Dorn

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References