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General: Annual herb from fibrous roots; stems erect, 10-50 cm tall, usually unbranched, coarse-hairy below becoming glandular-hairy upward.
Leaves: Opposite or some of the upper leaves alternate or offset, unstalked, lanceolate, 1-4 cm long, coarsely toothed, distinctly veined, glandular-hairy.
Flowers: Inflorescence a leafy-bracted, terminal, spike-like cluster of several to many, nearly unstalked flowers; corollas yellow, tubular, 1.5-2 cm long, 2-lipped, the upper lip hood-like, the lower lip 3-lobed; calyces sticky-hairy, tubular, 1-1.5 cm long, 4-toothed, the teeth lanceolate, about as long as the tube; stamens 4, the anthers hairy.
Fruits: Capsules, lance-cylindric, hairy; seeds numerous, small, smooth.
Source: The Illustrated Flora of British Columbia
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