Onagraceae
Camissonia tanacetifolia

Tansy-Leaved Evening Primrose

Rosette or mat, densely covered with spreading to flattened hairs. Leaves 2–12 in. long, pinnately, irregularly, and deeply lobed. Flowers erect, stemless; sepals reflexed back; petals to 1/4 in. long, deep yellow, turning red when withered. Seedpods form underground. Grows in clay soils in open moist places.

  • Rarity: Locally Common
  • Flowering Time: Mid Spring
  • Life Cycle: Perennial
  • Height: Prostrate
  • Habitat: Meadow, Vernal Wet, Shrub-Steppe, Disturbed
  • Found In: Steens, Wallowas, Great Basin
  • Native: Yes