Flowers: floral tube length at least 2 times width; ovary and capsule subclavate, enlarged distally. 2n = 18.

Flowering Apr–Jun. Grass-lands, woodlands, chaparral; 0–1000 m; Calif.

Subspecies clavicarpa is known primarily from the cen­tral and southern Sierra Nevada Foothills to the Tehachapi Mountain area from Tuolumne to Kern counties, with a few scattered occurrences in the Inner South Coast Ranges to Fresno County, and in the Transverse Ranges to San Bernardino County.