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

Ventenata dubia (Leers) Coss. & Dur.
ventenata (North Africa grass)
Poaceae (Grass family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #21998)

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Distribution of Ventenata dubia
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Species Information

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General:
Annual grass from fibrous roots, smooth to short-hairy, basally branched; stems mostly 30-70 cm tall.
Leaves:
Sheaths usually minutely rough but sometimes soft-hairy; blades flat but becoming in-rolled, usually smooth on the upper surfaces but rough on the lower ones, 1-3 mm wide; ligules smooth, rounded, usually jagged, 1-8 mm long.
Flowers:
Inflorescence an open panicle, 10-40 cm long, the branches spreading to drooping; spikelets usually 3-flowered; glumes sometimes awn-tipped, the lower ones 6- or 7-nerved, 5-6.5 mm long, the upper ones 8- or 9-nerved, 7-9 mm long; lower lemmas slightly exceeding the glumes, awned from long-pointed tips, the awns 1-3 mm long; upper 1 or 2 lemmas with bristlelike teeth, the teeth 1.5-2 mm long, awned, the awns attached on the backs, twisted and abruptly bent, 10-16 mm long; lodicules about 0.7 mm long; anthers about 1.3 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides in the lowland zone; rare in SW BC (lower Fraser Valley); introduced from S Eurasia.

Source: The Illustrated Flora of British Columbia

Climate

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.

Synonyms and Alternate Names

Avena dubia Leers
Ventenata avenacea Koel.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References