General:
Perennial herb from a short, stout rhizome, stolons present; stolons mat-forming; stems erect, sticky-hairy or somewhat woolly-hairy, exuding milky juice when broken, 25-40 cm tall.
Leaves:
All or mostly basal, well-developed, persistent, tawny-woolly above, densely hairy beneath, the hairs starlike, 2-13 cm long, 0.6-2 cm wide; stem leaves lacking or 1-many, reduced upwards, narrowly elliptic, entire or nearly so; leaves of the stolons similar but smaller.
Flowers:
Heads with strap-shaped flowers, solitary or rarely 2; involucres 7-11 mm tall; involucral bracts linear-lanceolate, short, coarsely hairy with black, sometimes gland-tipped hairs and occasionally long, bristly hairs; ray flowers yellow, the outer ones often with a reddish tinge on the outer surface.
Fruits:
Achenes ribbed, narrowed at the base, 1.5-2 mm long; pappus tawny.
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
Synonyms and Alternate Names:
Hieracium pilosella L.