Leaves 10-30 cm × 3-11 mm. Scape 10-35 cm, smooth. Flowers: perianth pale yellow, drying purplish, 18-24 mm, tube ± cylindrical to narrowly funnelform, 8-12 mm, lobes spreading, lanceolate, 8-12 mm; stamens attached at 1 level, unequal, alternately long and short; filaments dilated entire length or narrowly triangular, 2 or 3.5 mm, sometimes with short, blunt apical appendages; anthers lavender, 1 mm; ovary equal to or longer than stipe; pedicel slender, 1.5-4 cm. 2n = 16. Flowering summer (Jul). Subalpine forests, black soils; 3000--3500 m; Calif.