General:
Perennial herb from a rhizome; stems erect, branched, quadrangular, glabrous, 15-100 cm tall.

Leaves:
Stem leaves elliptic, unstalked, obtuse, glabrous with a few scattered glands and black marginal dots, 1.5-4.0 cm long, 1.0-2.5 cm wide.

Flowers:
Inflorescence 20-60 flowered; petals golden yellow, with elongated black dots and streaks, up to 12 mm long; sepals rounded, about 5 mm long; stamens in 3 bundles; styles 3.

Fruits:
Membranous capsules, up to 8 mm long; seeds brownish, about 1 mm long, net-veined.

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