General:
Annual herb from a short taproot; stems ascending to erect, simple or more usually branched, stiff-hairy, 15-50 cm tall.
Leaves:
Basal leaves numerous, oblanceolate, divided into 2-3 pairs of primary lateral lobes which are again divided, long-stalked, stiff-hairy, 8-15 cm long; stem leaves similar, not much reduced above.
Flowers:
Inflorescence of solitary, terminal, erect flowers; buds nodding; flower stalks stiff-hairy; petals 4, dark red, often with a dark basal spot, egg-shaped, 1.5-2.2 cm long.
Fruits:
Capsules, oblong to club-shaped, bristly-hairy, distinctly ribbed, 1.5-2 cm long.
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