E-Flora BC: Electronic Atlas of the Flora of British Columbia

General:
Annual herb from a taproot; stems decumbent to erect, branched, stiff-hairy, usually glandular above, 15-60 cm tall.

Leaves:
Basal leaves few, reduced and soon deciduous; stem leaves opposite, more or less rounded in outline, 2-6 cm wide, palmately divided into 5-7 segments, these deeply cleft nearly to the base into linear segments, spreading-hairy.

Flowers:
Inflorescence of terminal or axillary clusters of 2 stalked flowers; petals pink to purplish, shallowly notched, 4-5 mm long; sepals equal to the petals, bristle-tipped, the tips 1 mm long; stamens 10, fertile, not fused.

Fruits:
Carpels, evenly stiff-hairy with spreading hairs; styles 1.3-1.6 cm long, the beak 2-3 mm long; seeds oblong, strongly honeycombed.