Fritillaria biflora var. ineziana
Fl. Calif. 1: 306. 1921.
Leaves 3–6 mm wide; blade linear to narrowly lanceolate. Flowers 1.5–2 cm, odor unpleasant.
Phenology: Flowering Mar.
Habitat: Probably on serpentine
Elevation: 0–200 m
This variety is a narrow endemic found only in the Hillsborough area of San Mateo County. It is considered rare and endangered in California.