Stems 3–12 dm, sparsely hirsute proximally, glabrous distally. Cauline leaves: blade conduplicate distally, margins entire, surfaces glabrous. Racemes not secund; rachis straight. Fruiting pedicels 4–8 mm, glabrous. Flowers: sepals greenish white, white, or pale-yellow, 7–11 mm, glabrous; petals white (with light-brown or purplish veins), 11–17 mm; adaxial filaments 8–10 mm. Fruits divaricate to ascending, straight; valves glabrous. 2n = 28.

Phenology: Flowering Apr–Jul.
Habitat: Rocky, often barren ultramafic grassland openings
Elevation: 100-800 m

Distribution

• Generated Map
• Legacy Map

Calif.

Discussion

Of conservation concern.

Subspecies albidus is restricted to about ten populations at the western base of the Mount Hamilton Range, Santa Clara County. It intergrades locally with subsp. glandulosus in flower color.

Selected References

None.

Lower Taxa

None.

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