Flowers: perianth tube 13-17 mm, lobes 22-30 mm; anthers 6-8 mm; staminodia slightly recurved distally, margins 1/4 involute; ovary 9-11 mm; style 12-15 mm. 2n = 40.

Flowering spring. Grasslands; 0--100 m; Oreg.

Subspecies hooveri occurs primarily in the Willamette Valley of Oregon. Documentation of occurrence in northern California is lacking.