General:
Annual herb from a taproot; stems slender, often branched, hairless or minutely hairy in part, 5-20 cm tall.

Leaves:
Opposite, unstalked, palmately cleft into 3 to 7 soft, thread-like segments 5-15 mm long, or the uppermost leaves entire, the segments fringed with bristly hairs; leaves of the inflorescence longer than those below and more densely fringed.

Fruits:
Capsules, 3-chambered; seeds 1 per chamber, swelling and becoming sticky when moistened.

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

Synonyms and Alternate Names:
Linanthus harknessii (Curran) Greene
Linanthus harknessii subsp. condensatus H. Mason
Linanthus harknessii subsp. harknessii