Arrowleaf Balsomroot (Balsamorhiza sagittata)
Synonyms: Oregon Sunflower | Breadroot
A long-lived, tap-rooted perennial with large, bright yellow flowers are on individual stems but may be numerous, sunflower-like; blooms May to June. Found across B.C. to CA east of the Cascades, east to Alberta, ND, SD and CO, south to northern AZ on open hillsides and flats, fairly deep soil, valleys and foothills up to 9000 ft. elevation, typically with big sagebrush. Best in full sun, dry, well-drained, gravelly soils.