Lomatium repostum

Napa lomatium, Napa Lomatium

Family: Apiaceae · Type: perennial · Native

Conservation status: CNPS 4.2

Napa lomatium is a rare (CNPS 4.2) California native perennial found in southern North Coast Ranges in pine/oak woodland and chaparral, often on serpentine landscapes at elevations of 100 to 800 meters. Flowering from April to May, this plant produces green-yellow or purple flowers in complex umbels with 8 to 20 spreading rays. Growing low to the ground with a slender taproot, the plant reaches 12 to 50 centimeters tall with leaves clustered entirely at the base. Its leaves are broadly triangular to ovate, 5 to 15 centimeters wide, divided into 1 to 2 ternate segments with leaflets that are sharply serrate and occasionally lobed. The fruit is widely oblong, 8 to 12 millimeters long, with wings wider than the seed body.

Habitat: Pine/oak woodland, chaparral, generally serpentine

Bloom period: Apr-May

Elevation: 100-800 m

Bioregions: s NCoR.

California counties: Solano, Sonoma, Napa, Lake

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