General:
Annual herb from a short taproot; stems erect, solitary, branched, glabrous or hairy, 0.3-1.0 m tall.

Leaves:
Basal leaves lanceolate or oblanceolate, 2-15 cm long, 0.3-4 cm wide entire to toothed or pinnately parted, abruptly sharp-pointed, short stalked, glabrous or short-hairy, often soon deciduous; stem leaves unstalked, clasping, mostly linear or nearly so, often involute.

Flowers:
Heads with strap-shaped flowers several to numerous, in a flat-topped inflorescence; involucres 6-9 mm tall, cylindric to bell-shaped; involucral bracts short woolly-hairy and sometimes stiff glandular-hairy, the outer ones about 12, awl-like, about a third as long as the 12-15 inner ones, these lanceolate, with long-pointed tips, becoming keeled and thickened near the base, appressed- or short-hairy within; receptacles very finely-fringed with small hairs; ray flowers yellow, up to 13 mm long.

Fruits:
Achenes purplish-brown, 2.5-4.5 mm long, spindle-shaped, rather strongly tapering to a slender tip, scarcely beaked, 10-ribbed, ribs rough short-hairy; pappus white, of fine, hairlike bristles, deciduous.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia