Leaves 1; blade 9-22 cm × 2-14 mm. Scape 2.5-17 cm. Umbel 10-65-flowered. Flowers 4-11.5 mm; tepals pink with dark purple or greenish purple midveins, lanceolate, apex acute; pedicel 3-14(-20) mm. 2n = 14. Flowering May--Jun. Granitic sands; 800--3000 m; Calif.