E-Flora BC: Electronic Atlas of the Flora of British Columbia

General:
Short-lived perennial, unscented herb with fibrous roots; stems erect, leafy, simple or branched, hairy, at least above, 30-70 cm tall.

Leaves:
Alternate, 2 times divided into narrow segments, hairy beneath.

Flowers:
Heads solitary on long stems at ends of uppermost branches; involucres broad; involucral bracts in several rows, overlapping, firm, narrow, green with papery margins; receptacles with papery scales throughout; ray flowers yellow, commonly 20-30, 7-15 mm long; disk flowers yellow, numerous.

Fruits:
Achenes compressed-quadrangular, more or less grooved and nerved; pappus a very short crown.