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General:
Annual herb from a taproot, short, stiff, appressed-hairy throughout; stems 1-several, sometimes branched, 10-70 cm tall.
Leaves:
Lowermost leaves oblanceolate and soon deciduous, others linear to lanceolate or oblong, unstalked, 1.5-6 cm long and 2-15 mm wide, entire, alternate.
Flowers:
Inflorescence of several narrow clusters (compact at first, elongate and open in fruit); flowers solitary in axils of upper leaves, on short (1 mm) stalks that are erect to ascending in fruit; corollas funnel-shaped, 5-8 mm long, white or bluish-white; petals fused at base into a narrow tube that flares (2-4 mm wide) at top to 5 lobes, lacking bulges but with 5 hairy lines in the throat.
Fruits:
Nutlets usually 4, clustered together, brownish, wrinkled, pitted, sometimes pimply.
Source: The Illustrated Flora of British Columbia
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