Leaves not very lunate in cross section. Scape 2-20 cm. Flowers 26-33 mm; perianth tube 11-13 mm, lobes 15-20 mm; anthers 5-6 mm; ovary 8-9 mm; style 7-9 mm; pedicel 1-7 cm. 2n = 48. Flowering spring (Apr--Jun). Grasslands, open foothill woodlands; 0--1500 m; Calif. Subspecies kernensis is common and widespread in central and southern California. It appears to be an octoploid version of subsp. terrestris.