Aerial shoots (7-) 10-25 (-30) cm. Basal leaves 5-15; petiole 2-10 cm; leaflets villous; ultimate segments of lateral leaflets 1-1.5 (-2) mm wide. Inflorescences: peduncle villous; involucral-bracts villous; ultimate segments of lateral leaflets 1-1.5 (-2) mm wide. Flowers: sepals white, tinged blue, or abaxially white, tinged blue, and adaxially white, abaxially hairy, rarely glabrous. Heads of achenes spheric, rarely cylindric. 2n =32.

Phenology: Flowering summer (Jun–Aug).
Habitat: Gravelly slopes, dry rocky ledges
Elevation: 1200-3300 m

Distribution

• Generated Map
• Legacy Map

B.C., Calif., Idaho, Oreg., Wash., Asia

Discussion

Selected References

None.

Lower Taxa

None.