Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, forest edge, fields, ditches, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Conservation Status: Not of concern
Annual or biennial herbs 2-5 dm. tall, usually covered with small, appressed, aligned hairs.
Leaves palmately veined, with stipules 2-4 mm. long; leaf blades considerably shorter than the petioles, cordate-ovate, 3-7 cm. long, 5 lobed about 1/3 of their length, the lobes with rounded teeth.
Flowers in small clusters in the leaf axils, deep bluish-purple; calyx lobes 5, nearly half as long a broad, the bracteoles oblong or ovate; petals 1.5-2 cm. long, shallowly notched; filaments fused into a tube, the stamens freed from the tube single or in pairs; style branches stigmatic most of their length, not capitate; ovary superior, the carpels in a ring around a central axis.
Carpels wrinkled, sparsely hairy.