Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California.
Habitat: Roadsides, fields, lawns, wastelots, and other disturbed open areas at low elevation.
Flowers: May-June
Origin: Introduced from Europe
Growth Duration: Annual
Conservation Status: Not of concern
Annual; stems decumbent to ascending, 1-3.5 dm, soft-hairy.
Leaves simple, 3-9 cm broad, palmately divided nearly to base into 5 segments, segments pinnately lobed to cleft, hairy.
Inflorescence 1-2 flowered; flowers radial, on pedicels 5-10 mm; sepals 5, 4-7 mm long with bristle-tip, covered with soft hairs; petals 5, 5-10 mm, rounded, light to bright pinkish purple to purple; fertile stamens 10; stylar column generally 1.5-2 cm long, stigmas 1 mm.
Mericarps 5, 2-3 mm, covered with somewhat net-like ribs, hairy; seeds smooth.
Publication: Hist. Pl. Dauphiné 1: 272. 1786.
PNW Herbaria: Specimen records of Geranium purpureum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Geranium purpureum checklist entry.
E-Flora BC: Geranium purpureum atlas page.
CalPhotos: Geranium purpureum photos.
USDA Plants: Geranium purpureum information.
