Distribution: Occurring east of the Cascades crest in Washington; central Washington to California, east to Montana, Idaho, and Utah.
Habitat: Disturbed areas.
Flowers: May-July
Origin: Introduced from Europe
Growth Duration: Annual
Conservation Status: Not of concern
Glabrous annual, the stem simple or branched above, 2-6 dm. tall.
Leaves alternate, bipinnately dissected into narrow, linear segments, the lower leaves petiolate.
Flowers showy, regular, single on naked peduncles; sepals 5, greenish, rounded; petals 5-10, white to red with a bluish base, narrowly oblong-oblanceolate, about twice the length of the sepals, sub-erect; stamens blue, numerous; pistils numerous.
Achene hardened and rough, with a short, straight beak.
Publication: Sp. Pl., ed. 2. 1: 771. 1762.
PNW Herbaria: Specimen records of Adonis aestivalis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Adonis aestivalis checklist entry
OregonFlora: Adonis aestivalis information
E-Flora BC: Adonis aestivalis atlas page
CalPhotos: Adonis aestivalis photos
