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

Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood
Sheathed Dropseed (poverty dropseed; poverty grass)
Poaceae (Grass family)

Introduction to Vascular Plants
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Distribution of Sporobolus vaginiflorus
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SUBTAXA PRESENT IN BC
Sporobolus vaginiflorus var. vaginiflorus

Species Information

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General:
Annual, tufted grass from fibrous roots; stems thin, wiry, seldom over 1 mm wide, erect to spreading, 20-40 (50) cm tall.
Leaves:
Sheaths open; blades usually in-rolled, 1-2 mm wide, the lower ones elongate, the upper ones progressively shorter to only 1-2 cm long, long-hairy on the margins, 2-4 mm long, pustular-based; ligules minute, up to 0.5 mm long.
Flowers:
Inflorescence a slender panicle, 2-5 cm long, usually concealed but eventually exserted from the swollen sheaths, the axillary panicles also developed, and mostly included in the lower sheaths; spikelets 1-flowered, crowded; glumes narrowly triangular-lanceolate, straight, long-pointed, the lower ones 2.8-4.1 mm long, the upper ones 2.9-4.6 mm long; lemmas narrowly triangular-lanceolate, straight, minutely long-hairy, long-pointed, 3-5 mm long, paleas equal to or somewhat exceeding the lemmas; anthers 1-1.2 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to dry waste areas in the lowland zone; rare in the Vancouver area; introduced from the E U.S.

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.

Taxonomic and Nomenclatural Links

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General References