Amaranthus blitoides S. Watson
prostrate pigweed (mat amaranth; prostrate tumbleweed)
Amaranthaceae (Amaranth family)

Introduction to Vascular Plants


© Paul Handford     (Photo ID #81073)


E-Flora BC Static Map

Distribution of Amaranthus blitoides
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Species Information

Annual herb from a taproot; stems prostrate or decumbent, several, glabrous to short-hairy, 30-70 cm tall.
Alternate or opposite, the blades rarely over 3 cm long, diamond-shaped to egg-shaped, callous-margined, bristle-tipped narrowing to a slender stalk.
Inflorescence in small axillary clusters; bracts narrowly lanceolate, bristle-tipped; tepals 4-5; stamens 3-4.
Capsules opening along an "equator", the top coming off like a lid, 1-seeded; seeds 1.3-1.7 mm long, lens-shaped.

SourceThe Illustrated Flora of British Columbia


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 disturbed areas in the lowland, steppe and montane zones; infrequent in S BC; throughout N. America, W. Indies, Europe.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Amaranthus graecizans L.