Distribution: Narrowly distributed in Cascades of Washington; Alaska south to California, east through the Rocky Mountains.
Habitat: Streambanks, wet meadows and other moist places, mid- to high elevations in the mountains.
Conservation Status: Threatened in Washington (WANHP)
Perennial herbs from thick, short rhizomes, the stems single at the ends of the rhizomes, 5-50 cm. tall.
Leaves mostly basal, obovate to oblong-elliptic, 5-12 cm. long, narrowed to slender petioles nearly as long as the blades; cauline leaves opposite, considerably reduced except at the first of 2-3 nodes.
Inflorescence elongate, open, 1-several flowered; calyx 5-lobed, the lobes narrow and spreading; corolla bluish-purple with green and white spots, the 5 lobes narrowly oblong, each with a pair of orbicular pits surrounded by fringes near the base; stamens 5, inserted near the base of the corolla tube; style less than 1 mm. long; ovary superior.
Capsule lance-ellipsoid, compressed, 7-12 mm. long.