General:
Annual herb from a slender taproot; stems 15-100 cm tall, usually simple, short stiff-hairy.

Leaves:
Few, mostly somewhat opposite, elliptic to lanceolate, 2-7 cm long, 5-20 mm wide, entire to finely toothed; stalks slender, 1-3 cm long.

Flowers:
Inflorescence a few-flowered, short raceme, buds nodding; hypanthium 1-3 mm long, scaly and white-hairy at the base of the stamens; corollas wheel-shaped, slightly irregular; petals rose-purple and often purple-dotted, 5-10 mm long, 3-6 mm wide, claw 2-lobed, the blade lance- to widely egg-shaped or diamond-shaped; sepals usually free; fertile stamens 8, all alike; stigmas oval, about 0.5 mm long, white to purple; styles not exceeding stamens.

Fruits:
Capsules, 1.5-3.3 cm long, short-beaked.

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