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

Polygonum aviculare subsp. depressum L.
Polygonaceae (Buckwheat family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #64157)

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Distribution of Polygonum aviculare subsp. depressum
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Species Information

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Annual herb from a taproot stems prostrate to erect, several, branched, ridged, 10-100 cm tall/long.
Basal leaves lacking; stem leaves alternate, widely linear to lanceolate-oblong, mostly bluish-green, the blades 1-3 cm long, slightly reduced upwards, the stalks short, jointed; branch leaves smaller than stem leaves; sheathing stipules brown, ragged, 3-6 mm long.
Inflorescence of 1-3 axillary flowers; perianths 2-3 mm long, greenish with white or pink to red margins, 5-lobed more than 1/2 the distance to the base.
Achenes, 3-angled, dark brown, obscurely lined lengthwise, pimply, 2.8-3.5 mm long, included to slightly exserted.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry disturbed sites, roadsides and waste places; common in S BC, less frequent northward; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia

Taxonomic and Nomenclatural Links

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