Lomatium nudicaule

Barestem biscuitroot

Family: Apiaceae · Type: perennial · Native

Barestem biscuitroot is a California native perennial found in the Klamath Ranges, northern California Coast Ranges, high Cascades, northern Sierra Nevada foothills, San Francisco Bay Area, and Modoc Plateau in rocky pine woodlands at elevations of 180 to 2,000 meters. Flowering from April to June, this plant produces yellow flowers occasionally tinged with purple, with umbels reaching up to 20 centimeters across. Growing 25 to 70 centimeters tall with a glaucous, nearly stemless appearance and a long, thickened taproot, it has a distinctive glabrous form. Its large, wide-ovate leaves are complex, featuring 1 to 2 ternate-pinnate divisions with 15 to 90 millimeter leaflets that can be entire, toothed, or lobed near the tips. The fruit is an oblong to elliptic structure 10 to 14 millimeters long with narrow wings and distinctive oil tubes along its ribs.

Habitat: Rocky slopes, flats, generally pine woodland

Bloom period: Apr-Jun

Elevation: 180-2000 m

Bioregions: KR, NCoR, CaRH, n SNF, SnFrB, MP

California counties: Modoc, Plumas, Contra Costa, Santa Clara, Lassen, Siskiyou, Alameda, Sierra, Trinity, Shasta, Humboldt, Solano, Yuba, Sonoma, Napa, Butte, Del Norte, Sacramento, Santa Barbara

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