Leaves usually 1-2, 5-30 cm × 3-15 mm. Scape 5-10 cm, minutely scabrous. Flowers: tepals ascending at base, then gradually spreading, connate basally for ca. 1 mm, yellow with brownish purplish midvein, 7-11 mm; filaments parallel to style, dilated bases 2.5-4 mm, often smooth, connate into nectariferous cup; anthers 1.5-1.8 mm; ovary 2 mm; style 6 mm; pedicel 1-5 cm.

Flowering spring. Grasslands, chaparral edges, open mesas on ocean bluffs; of conservation concern; 0--100 m; Calif.

Bloomeria humilis is rare, known only from a single location on the California coast.