Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Wet areas from low to middle elevations in the mountains.
Origin: Introduced from Eurasia
Conservation Status: Not of concern
Stoloniferous perennial from fibrous roots, the stems 2-6 dm. tall.
Leaves 2.5-8 cm. long and 7-20 mm. wide, the lowermost oblanceolate, the others oblong to lance-elliptic.
Inflorescence of 2 or 3 racemes terminating each branch, naked and open; pedicels spreading, 3-5 mm. long; calyx 3-5 mm. long, closely appressed-pubescent, the 5 lobes about equal to the tube; corolla tube narrow, the 5 lobes abruptly spreading, the limb 5-10 mm. wide, flat, blue; hairy appendages opposite the corolla lobes at the top of the tube; style longer than the nutlets.
Nutlets 4, attached near the base, blackish, smooth and shining.