Bulb scales: large 2-4; small 8-32. Stem 0.7-2 dm. Leaves 2-6, alternate, ± fleshy near stem, 3.5-8.5 cm; blade broadly linear, folded, sickle-shaped. Flowers erect; tepals clearly mottled rusty brown and yellow adaxially, greenish abaxially, obovate, 1.5-2.2 cm, apex not recurved; nectaries obscure, yellowish green, spotted brownish, broadly lanceolate to ± diamond-shaped, 1/2-2/3 tepal length; style obviously branched for ca. 2/3 its length, branches longer than 1.5 mm. Capsules acutely angled. 2n = 24. Flowering Mar--Apr. Serpentine talus; of conservation concern; 300--1200 m; Calif. This is a rare, relatively restricted endemic found only in the San Francisco Bay region and slightly northward.