Amaranthus powellii S. Watson
Powell's amaranth (Bouchon's amaranth; green pigweed)
Amaranthaceae (Amaranth family)

Introduction to Vascular Plants

Photograph

© Frank Lomer     (Photo ID #27022)

Map

E-Flora BC Static Map

Distribution of Amaranthus powellii
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Species Information

General:
Annual herb from a taproot; stems erect, simple to freely branched, 0.3-2.0 m tall, grooved, often reddish, glabrous to short-hairy or sparsely hairy below the flowers.
Leaves:
Alternate or opposite, leaf blades 2.5-14 cm long, glabrous or nearly so, egg-shaped to deltoid-elliptic.
Flowers:
Inflorescence in terminal and axillary spikes; bracts linear-lanceolate and spiny; sepals unequal; stamens 3-4.
Fruits:
Capsules opening along an "equator", the top coming off like a lid, 1-seeded; seeds 1 mm long, lens-shaped.

Source:  The Illustrated Flora of British Columbia

Illustration

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

Moist to dry fields, disturbed areas and waste places; infrequent in SW and SC BC, known from the Gulf Islands, the Vancouver area and the Okanagan Valley; throughout N. America, S. America and the Old World.

Source:  The Illustrated Flora of British Columbia

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