Clarkia lassenensis

Lassen clarkia

Family: Onagraceae · Type: annual · Native

Lassen clarkia is a California native annual found in the Klamath Ranges, northern Coast Ranges, Cascade Range, northern Sierra Nevada, and Modoc Plateau in woodland and conifer forest at elevations of 500 to 2,000 meters. Flowering from May to June, this plant produces pink-lavender flowers shading lighter toward a red-purple base, with bowl-shaped petals 8 to 16 millimeters long. Growing with erect stems up to 90 centimeters tall that are lightly hairy, it has a delicate, slender form. Its leaves are narrow and linear to lance-shaped, measuring 2 to 5 centimeters long with petioles less than 1 centimeter. The fruit is a slender capsule 2.5 to 4 centimeters long with a short 2-millimeter beak.

Habitat: Woodland, conifer forest

Bloom period: May-Jun

Elevation: 500-2000 m

Bioregions: KR, NCoRI, CaR, n SN, MP

California counties: Shasta, Trinity, Plumas, Modoc, Siskiyou, Lassen, El Dorado, Alpine, Sierra, Mendocino, Tehama, Glenn

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.