Perideridia bolanderi

Bolander's Yampah

Erect. Stems branched. Basal leaves with 1–6 in. petioles, pinnately dissected to thread-like sections, some longer and wider than others, often lobed and toothed; the few stem leaves are smaller. Umbel consists of numerous clusters of small white flowers sustained by thin tan bractlets. Grows in meadows, scrub pine, woodlands with summer-dry clay soils, at mid- to high elevations.

  • Rarity: Common
  • Flowering Time: Early Summer
  • Life Cycle: Perennial
  • Height: 6--36 inches
  • Habitat: Meadow, Shrub-Steppe, East-Side Forest
  • Found In: Wallowas, Steens
  • Native: Yes