Polygonaceae
Eriogonum ovalifolium var. nivale

Cushion Buckwheat

Mats with short flower stems. Tiny round leaves entire, coated with dense white-woolly hairs, in tight round clusters forming crowded mats. Flower stalk less than 2 in. tall holds rounded cluster of white to cream flowers. Grows in alpine sand or gravel. Similar var. depressum usually a dense mat of greener foliage, with bright pink to white flowers, found mostly on Steens Mountain at high elevations. Varieties nivale and depressum freely hybridize.

  • Rarity: Locally Common
  • Flowering Time: Mid Summer
  • Life Cycle: Perennial
  • Height: 1/2--2 inches
  • Habitat: Alpine, Subalpine, Dry Rocky Sites
  • Found In: Crater Lake NP, Wallowas, Olympic NP, Mt. Rainier NP, Steens, N Cascades NP
  • Native: Yes