Distribution: Widely distributed throughout Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Moist places from along the coast to well up in the mountains.
Conservation Status: Not of concern
Perennial from wide-spread rhizomes and stolons, the stems erect, usually many, 1-8 dm. tall, simple to freely-branched.
Leaves opposite, sessile, oblong-elliptic to ovate-lanceolate, 1-3 cm. long, purplish-black dotted, the bases somewhat clasping.
Inflorescence of few-flowered, leafy-bracteate cymes; sepals 5, triangular to ovate-lanceolate, purplish-black dotted, rounded; petals 5, pale to bright yellow, about twice the length of the sepals, conspicuously purplish-black dotted along the margins; stamens 75-100, attached at the base into 3 distinct groups; styles 3, slender, 3-5 mm. long.
Capsule 6-9 mm. long, 3-celled.