Scape 2-3 cm, slender. Flowers 14-24 mm; perianth purple or violet, tube narrowly campanulate, 9-12 mm, opaque, not splitting in fruit, lobes widely spreading, 12-18 mm, inner round, with widely rounded apex; filaments 1.5-2 mm, base not triangular, with narrow abaxial wings; anthers linear, 4-7 mm, apex widely notched; staminodia erect, held away from stamens, broad, 3-7 mm, margins linear, apex cuspidate; ovary 6-9 mm; style 5-7 mm; pedicel 1-4 cm. 2n = 32.
Flowering spring (May--Jun). Grasslands on clay flats; of conservation concern; 100--200 m; Calif.
Brodiaea kinkiensis is endemic to the mesa tops of San Clemente Island. It is the only single-leaved Brodiaea. It is in cultivation.