Status:
Federal: Endangered
State: Endangered
California Native Plant Society: List 1B, R-E-D Code 3-3-3 (see below)

3. Occurrence limited to one or a few highly restricted populations or present in such small numbers that it is seldom reported.
3. Endangered throughout its range.
3. Endemic to California

Family: Evening Primrose (Onagraceae)

Habitat: Serpentine bluffs and grasslands in open sunlit areas.

General Distribution: San Francisco and Alameda Counties. Only three sites within a mile of each other known in Alameda County and two sites exist at the Presidio.

Description: This annual species has slender stems about 12 inches tall, with few, small, slender entire lance-shaped leaves. The sparse flowers have four wedge-shaped petals that are lavender to pink. The middle of the flower is lighter in color with a reddish-purple basal spot. Blooming time is from May to July.

Monitoring and Activities: Populations of this species are stable to slightly increasing in the Inspiration Point area, and are stable to slightly decreasing at the coastal bluffs site, apparently due to competition from exotic plants and shrubs there. Click to see graph of population changes.