Juglans hindsii

Northern california black walnut, Northern California Black Walnut

Family: Juglandaceae · Type: shrub · Native

Conservation status: CNPS CBR

Northern California black walnut is a California native shrub found in southern North Coast Ranges Interior, southern Sacramento Valley, northern San Joaquin Valley, and San Francisco Bay Area along streams and disturbed slopes at elevations below 300 meters. Flowering from April to May, this plant produces inconspicuous green flowers with distinctive leaflet clusters. Growing with trunks 6 to 23 meters tall, it develops a spreading, multi-stemmed form with robust branching. Its compound leaves feature 13 to 21 narrow-triangular to lanceolate leaflets, each 6 to 13 centimeters long with serrated edges and distinctive hair tufts at the undersides of leaf veins. The fruit is a large walnut approximately 3.5 to 5 centimeters in diameter with a thick, smooth to lightly grooved shell.

Habitat: Along streams, disturbed slopes

Bloom period: Apr-May

Elevation: < 300 m

Bioregions: s NCoRI, s ScV, n SnJV, SnFrB

California counties: San Bernardino, Los Angeles, Ventura, Orange, Mariposa, Napa, Lake, Colusa, Butte, Contra Costa, Yolo, Santa Barbara, Mendocino, Inyo, Riverside, El Dorado, Placer, Amador, San Diego, San Joaquin, Sacramento, Monterey, San Luis Obispo, Alameda, San Mateo, Tuolumne, Sutter, Marin, Humboldt, Kern, Sonoma, Santa Cruz, Trinity, Siskiyou, Solano, Tehama, Stanislaus, Yuba

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