Brown's Peony (Paeonia brownii)

Upright stems, more numerous stems in cluster with age and health of plant; blooms late-spring;
Leaves: Leaves fleshy, grayish-green, divided several times, rounded edges
Flowers: Few flowers, near top of stem; 5 dark reddish-purple petals with yellow edges, 5 similarly colored sepals
Habitat: Grows in open meadows, edges of woodlands
Range: May be found in Washington, Oregon and Idaho

First and third photo taken along the Grande Ronde - pre-field trip to augment plant list
Second photo taken near Mima Mounds on White Pine chapter field trip to Grande Ronde and Mima Mounds