Distribution: Chiefly east of the Cascades in Washington, though known from scattered locations west of the Cascades crest; British Columbia south to California, east to Idaho and Nevada.
Habitat: Vernal pools, wet meadows, margins of ponds.
Conservation Status: Not of concern
Annual herbs from fibrous roots, the stems erect or ascending, simple or branched, 1-5 dm. tall, the herbage glabrous throughout.
Leaves alternate, sessile, the lower leaves narrow, the others lanceolate to lance-ovate, 0.5-2 cm. long and up to 9 mm. wide.
Flowers sessile and solitary in the leaf axils; calyx lobes 5, linear, 4-10 mm. long; corolla showy, blue to pink or white with a yellow-ridged white eye, 8-18 mm. long, two-lipped, the tube short, the 3-lobed lower lip large and flaring; filaments and anthers connected in tubes, the filament tube 4.5-10.5 mm. long and at right angles to the anther tube; stigma 2-lobed; ovary inferior.
Capsule 1-celled, elongate, 2-5 cm. long and 1-2 mm. thick.