Lomatium rigidum

Stiff lomatium, Stiff Lomatium

Family: Apiaceae · Type: perennial · Native

Conservation status: CNPS 4.3

Stiff lomatium is a California native perennial found in the eastern Sierra Nevada near Big Pine and Bishop creeks in Inyo County, growing on rocky slopes and among sagebrush and pinyon/juniper woodland at elevations of 1,200 to 2,200 meters. Flowering from April to May, this plant produces distinctive yellow flowers in compound umbels with spreading rays. Growing 1.5 to 6 decimeters tall with a massive taproot and no visible stem, the plant has leaves clustered at its base. Its leaves are complex, with a ternate-pinnate or two-pinnate structure featuring leaflets 1 to 2 centimeters long, each sharply and pinnately lobed. The fruit is an oblong-ovate structure 6 to 12 millimeters long with narrow wings and three oil tubes per rib-interval.

Habitat: Rocky slopes near streams, among sagebrush, pinyon/juniper woodland

Bloom period: Apr-May

Elevation: 1200-2200 m

Bioregions: SNE (Big Pine, Bishop creeks, Inyo Co.).

California counties: Inyo

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