Bulbs narrowly ovoid, 35-75 mm. Leaves 12-20 cm; blade green or faintly mottled with white or brown, lanceolate to ovate, margins ± wavy. Scape 12-25 cm. Inflorescences 1-3-flowered. Flowers: tepals white proximally, shading to pink at outer margins, darkest toward tips, with yellow band at base, lanceolate to narrowly ovate, 30-50 mm, inner with small auricles at base; stamens 12-24 mm; filaments white, flattened, slightly widened, linear to lanceolate, 1-2 mm wide; anthers yellow; style white, 10-18 mm; stigma with slender, usually recurved lobes 1-5 mm. Capsules oblong to obovoid, 3-6 cm. 2n = 48. Flowering late spring (May). Openings and rocky ledges in coniferous forests; 500--900 m; Wash. Erythronium quinaultense is a tetraploid species apparently derived from hybridization between E. montanum and E. revolutum. It is known only from the southwestern Olympic Peninsula.