Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; British Columbia to California, east to Idaho, Utah, and Arizona,
Habitat: Disturbed forest understory and edge, roadsides, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Europe
Conservation Status: Not of concern
Glabrous, perennial herbs with milky juice, the branches 1-3 dm. long, often trailing and rooting.
Leaves opposite, long-petiolate, ovate to ovate-lanceolate, 3-9 cm. long, with fine hairs along the margins.
Flowers solitary in the leaf axils, on long pedicels; calyx divided nearly to the base, the 5 lobes linear, with short bristles on the margins; corolla blue, with long, narrow tube and 5 widely-spreading, truncate lobes, 3-5 cm. broad; tube about 2 cm. long, crested and hairy in the throat; stamens 5, attached below the throat, the filaments short; style elongate, the stigma ovoid, tapering to a truncate apex; ovary superior.
Follicles 3-5 cm. long.