Sidalcea stipularis

Scadden flat checkerbloom

Family: Malvaceae · Type: perennial · Native

Conservation status: CNPS 1B.1

Scadden flat checkerbloom is a rare (CNPS 1B.1) California native perennial found in northern Sierra Nevada Forest bioregion in marsh habitat at elevations around 700 meters. Flowering from June to August, this plant produces pink flowers approximately 15 millimeters long with distinctive spreading bristles. Growing with stems 30 to 65 centimeters tall that feature spreading simple bristles, it develops from a rhizomatous root system. Its leaves are uniform along the stem, with ovate unlobed blades and small stipules less than 2 centimeters long that are slightly oblique or heart-shaped. The plant produces flowers with calyxes about 8 millimeters long and distinctive linear-oblanceolate bractlets supporting its inflorescence.

Habitat: Marsh

Bloom period: Jun-Aug

Elevation: +- 700 m.

Bioregions: n SNF (Scadden Flat, Grass Valley, Nevada Co.).

California counties: Nevada

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