General: Perennial herb from a woody root and often an unbranched, short stem-base; stems erect, usually solitary, branched above, loosely bristly-hairy at least at the base, becoming glabrous upwards, exuding a milky juice when broken, 0.3-1.2 m tall.
Leaves: Basal leaves oblanceolate, narrowed to a stalk, 4-25 cm long, 1.2-4.5 cm wide, sparsely or moderately bristly-hairy or the upper nearly glabrous, entire or wavy-toothed, persistent and often tufted; stem leaves lacking, or if present few, unstalked and reduced.
Flowers: Heads with strap-shaped flowers, several or many on slender stalks in a round- to flat-topped inflorescence; involucres 6-11 mm tall; involucral bracts linear-lanceolate, scarcely graduated, greenish or blackish, glabrous or often sparsely glandular with pale or black hairs, sometimes with a few bristly hairs; ray flowers white.
Fruits: Achenes narrowed at the base, several-ribbed, 2.5-3 mm long; pappus of many white to brownish bristles.
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:
2021-09-24 8:18:42 PM
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