Blooms: April-July
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Widely distributed throughout much of Washington; southern Alaska to California, east to South Dakota and Arizona.
Habitat: Woodlands, from near sea level to moderate elevations in the mountains.

Species Description:

General: Somewhat short-hairy perennial from a well-developed taproot, the 1-3 stems 3-10 dm. tall.
Leaves: Leaf blades biternate, the leaflets thin, narrow to broadly ovate, coarsely toothed to incised, 2-7 cm. long and 1-5.5 cm. wide; basal leaves several, long-petiolate; cauline leaves 1-3, sub-sessile; stem branched above and producing several small umbels.
Flowers: Inflorescence of loose, compound umbels, the long peduncles rising from leaf axils as well as terminal, the peduncles 5-25 cm. long; the 3-5 rays ascending-spreading, 2-12 cm. long; involucre and involucel wanting; calyx teeth obsolete; flowers usually greenish-white, occasionally yellowish.
Fruits: Fruit linear-oblong, 12-22 mm. long, concavely narrowed toward the summit, densely covered with ascending hairs at least toward the base; stylopodium conic, about as high as wide.

Osmorhiza berteroi DC.

Treated in Flora of the PNW as:

PNW Herbaria Specimens: View list of Osmorhiza berteroi specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Osmorhiza berteroi specimens in the WTU Herbarium database.

Washington Flora Checklist: Osmorhiza berteroi treatment.

E-Flora BC: Osmorhiza berteroi atlas page.

CalPhotos: Osmorhiza berteroi images.

USDA Plants Database: Osmorhiza berteroi.