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Perennial herb from heavy, woody taproot and branched stem-base; stems few to several, 5-30 cm tall, short, stiff appressed-hairy.
Numerous, all along the stem, unstalked, linear to oblong or narrowly lanceolate, 2-6 cm long and 2-6 mm wide, entire, alternate, short, stiff appressed-hairy.
Well-developed flowers in small clusters in upper leaf axils, the flower stalks bent down somewhat in fruit; corollas bright yellow, 15-35 mm long, fused at base into long (12-30 mm) tube that spreads (10-20 mm wide) at top to 5 ragged-margined lobes, with 5 bulges at the throat; smaller unopened flowers often appear later in the season, in branching clusters lower on the stem.
Nutlets usually 4, clustered together, grey, shining, sparingly pitted, 3-3.5 mm long.
Source: The Illustrated Flora of British Columbia