Small mat. Stems brown or purple, spreading and branched in pairs or whorled. Basal leaves narrow, not lobed; stem leaves lobed to sharply pointed thread-like sections. Inflorescence white-haired in center, bracts and calyces with sharp tips. Flower white, small, with 4–5 lobes, stamen and style usually not extended much beyond tube. Grows in gravelly, often volcanic soils at low to high elevations. Subsp. divaricata is white with white or pink lobes, grows throughout the range. Subsp. vividior has dark violet-blue flowers, grows in northern California and Oregon.
- Rarity: Common
- Flowering Time: Early Summer
- Life Cycle: Annual
- Height: 1--4 inches
- Habitat: Dry Rocky Sites, Subalpine
- Found In: Siskiyous, Steens, East Gorge, N Cascades Np
- Native: Yes