General: Perennial herb from extensive rhizomes; stems erect, branched above, solitary, glabrous or glaucous, 0.2-1.2 m tall.
Leaves: Basal leaves lacking; stem leaves alternate, linear to lanceolate or oblong, the lower ones 5-14 cm long, 6-35 mm wide, entire or more or less pinnately cut, rarely sharply toothed, stalked, the upper ones reduced, becoming entire, unstalked to somewhat clasping.
Flowers: Heads with strap-shaped flowers, several to numerous in an elongate to rounded inflorescence; involucres 15-20 mm tall; involucral bracts narrowly egg-shaped, graduated, the outer shorter, often purplish; ray flowers blue or sometimes violet to blue, 18-50.
Fruits: Achenes oblong-lanceolate, short-beaked, the beak equaling or less than 1/2 the length of the body, compressed, several-nerved on each face, glabrous, 6-7 mm long including the prominent beak, pale brown; pappus white.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2021-12-04 12:18:43 AM
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