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

Briza minor L.
small quaking grass (little quakinggrass)
Poaceae (Grass family)

Introduction to Vascular Plants
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Distribution of Briza minor
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Species Information

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Annual grass from fibrous roots; stems hollow, erect, (5) 10-60 cm tall.
Sheaths open, smooth; blades flat, 2-8 mm wide, the margins freed from the sheaths at different levels; ligules membranous, 3-6 mm long, higher in the centres opposite the throats, but the free membranes only 1-4 mm long.
Inflorescence an open, pyramidal panicle 5-15 cm long, much branched, lax, the lower branches 1 or 2 together, spreading; spikelets usually more than 12, broadly triangular, 2-5 mm long, (3-) 4- to 6-flowered, compressed, usually pale green, articulating above the glumes, the slender stalks usually longer than the spikelets; glumes 2-3.5 mm long, concave, hood-shaped, 3- to 5-nerved, more or less leathery, at right angles to the rachillas; lemmas 1.5-2 mm long, awnless, obscurely nerved, egg-shaped, blunt, heart-shaped at the base, pimpled on the back; paleas somewhat shorter than the lemmas; lodicules 2, thin, membranous, about 0.7 mm long; ovaries smooth; anthers scarcely 1 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry disturbed sites and waste areas in the lowland zone; rare in SW BC; introduced from Europe.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References