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General: Annual herb from a taproot; stems ascending to erect, solitary, simple to branched, sparsely bristly-hairy, 10-40 cm tall.
Leaves: Basal leaves few, spoon-shaped, soon deciduous; stem leaves opposite, lowermost widely lanceolate with stalks, others stalkless and more oblong, entire or somewhat irregularly toothed on uppermost leaves, 1-7 cm long, 3-18 mm wide, coarsely fringed and short-hairy.
Flowers: Inflorescence of several terminal flowers; corollas white, 1.5-2 mm long, lobed, the lobes bluish, about equal to the tube; calyces usually lacking; stamens 3.
Fruits: Achenes, 2-4 mm long, 3-chambered, 2 chambers sterile, the fertile chamber bearing a thick, corky mass on the back.
Source: The Illustrated Flora of British Columbia
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