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Annual herb from a taproot; stems erect, 3-15 cm tall, simple to branched at the base, hairy, also glandular above especially in the inflorescence.
Opposite, short-stalked below, unstalked above, egg-shaped to broadly elliptic, about 1 cm long, some pinnately 3- to 7-lobed, hairy.
Inflorescence a terminal, bracted, glandular-hairy, relatively dense raceme of several to many short-stalked flowers, the bracts alternate, the lowermost leaflike, reduced and entire and narrower than the leaves upward; corollas blue to blue-violet, inconspicuous, 2-3 mm across, irregularly 4-lobed, the lobes much longer than the short tube, the upper lobe largest, the lowest lobe narrower than the others; calyces glandular-hairy, 3-5 mm long, deeply 4-lobed, the lobes lanceolate, unequal; styles short, 0.5-0.6 mm long; stamens 2.
Capsules, about 3 mm long, flattened, heart-shaped, slightly wider than long, distinctly notched at the tip, glandular-hairy; seeds 8 to 12 per chamber, flat, smooth, about 1 mm long.
Source: The Illustrated Flora of British Columbia