Sidalcea oregana subsp. oregana

Oregon checkerbloom, Oregon Checkerbloom

Family: Malvaceae · Type: perennial · Native

Oregon checkerbloom is a California native perennial found in northwestern California, the Cascade Range, and Modoc Plateau in moist meadows at elevations of 500 to 2,500 meters. Flowering from May to September, this plant produces delicate pink to lavender flowers with petals 5 to 15 millimeters long, arranged in loose panicles. Growing 30 to 150 centimeters tall with multiple stems that are stellate-hairy at the base and become less hairy toward the top, it develops an open, branching structure. Its leaves vary along the stem, with lower leaves often broader and more divided, featuring characteristic stellate hairs. The fruit segments are small, approximately 2.5 to 3 millimeters long, typically smooth and occasionally net-veined on the sides.

Habitat: Moist meadows

Bloom period: May-Sep

Elevation: 500-2500 m

Bioregions: NW, CaR, MP

California counties: Shasta, Lassen, Modoc, Tehama, Siskiyou, Trinity, Plumas, Sierra, Butte, Placer, Nevada, Alpine, Mono, Lake, Humboldt, El Dorado

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