Distribution: Throughout Washington and much of Canada and the United States
Habitat: Common on rather dry soil in open areas from low to fairly high elevations
Conservation Status: Not of concern
Perennial herbs with milky juice, the freely-branched stems 2-5 dm. tall, glabrous to white-woolly.
Leaves opposite, entire, sub-sessile to petiolate, drooping, oblong-elliptic to ovate, 2.5-7 cm. long, often tipped with a sharp, slender point.
Inflorescence usually a terminal cyme, but often with axillary cymes as well; calyx less than half as long as the corolla, divided about its length, the 5 lobes ovate to lanceolate; corolla pinkish, 5-7 mm. long, from tubular to bell-shaped, the 5 lobes oblong-lanceolate, about the length of the tube, erect to spreading; there are triangular, awl-shaped appendages alternate with the bases of the 5 stamens in the corolla tube; style very short, enlarged; ovary superior.
Follicles 2, elongate, 5-14 cm. long, erect to reflexed.