Ceanothus palmeri
Palmer ceanothus
Family: Rhamnaceae · Type: shrub · Native
Palmer ceanothus is a California native shrub found in northern and central Sierra Nevada Foothills, southern South Coast Ranges, Tehachapi Range, and Peninsular Ranges in rocky slopes, ridges, chaparral, and conifer forest at elevations of 100 to 1,985 meters. Flowering from February to June, this plant produces white flowers in panicle-like clusters 4 to 12 centimeters long. Growing with ascending to erect stems 4 meters tall or less, it has flexible green to grayish-green twigs with an open, generally upright habit. Its alternate leaves are elliptic to oblong-ovate, 11 to 35 millimeters long, with a shiny green upper surface and a paler underside, featuring a slightly hairy midrib and entire margins. The fruit is sticky, 6 to 9 millimeters wide, with three ridges or bulges near the tip.
Habitat: Rocky slopes, ridges, chaparral, conifer forest
Bloom period: Feb-Jun
Elevation: 100-1985 m
Bioregions: n&c SNF, s SCoR, TR, PR
California counties: San Diego, Amador, Riverside, El Dorado, San Benito, Orange, Los Angeles, Ventura, San Bernardino, Santa Barbara, San Mateo, Santa Cruz, San Luis Obispo, Santa Clara, Contra Costa, Kern, Fresno, Colusa, Tulare
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.