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Aromatic biennial or short-lived perennial herb from a short rhizome; stems erect, simple, few branched above; stiff-hairy below, glandular above, 20-70 cm tall.
Basal leaves lacking; stem leaves alternate and reduced upwards, opposite and linear to oblong, coarsely, straight appressed-hairy, 3-10 cm long, 4-11 mm wide near the base.
Heads with ray and disk flowers, few, terminal at ends of branches in a loose inflorescence; involucres globose to urn-shaped, 4-6 mm tall; involucral bracts linear, rounded on the back, 3-5, glandular; ray flowers yellow, 8-15, 2-3 mm long; disk flowers 10-30, fertile.
Ray achenes 5-nerved, 1/2-mooned, flattened, 3-5.5 mm long, sometimes beaked, disk achenes undeveloped, hairy, 3-4 mm long; ray pappus lacking or vestigial, disk pappus of 5-8 more or less lanceolate, separate or somewhat united, unequal scales.
Source: The Illustrated Flora of British Columbia