Rumex salicifolius

Willow dock

Family: Polygonaceae · Type: perennial · Native

Willow dock is a California native perennial found in the Sierra Nevada, Central Western, Southwestern, Southern Eastern Sierra Nevada, and Desert bioregions in wet places, margins, and rocky slopes at elevations below 3,500 meters. Flowering from May to July, this plant produces small clustered flowers with inner perianth lobes in widely triangular shapes. Growing with ascending to erect stems 30 to 90 centimeters tall and featuring axillary shoots, it develops a vertical taproot. Its leaves are lance-linear, 5 to 13 centimeters long and 0.5 to 2.5 centimeters wide, with entire margins that are sometimes slightly wavy. The fruit is small, dark red-brown, and approximately 2 millimeters long.

Habitat: Wet places, margins, rocky slopes

Bloom period: May-Jul

Elevation: < 3500 m

Bioregions: SN, CW, SW, SNE, D

California counties: Ventura, Inyo, Kern, Los Angeles, Riverside, San Bernardino, San Diego, Santa Barbara, Monterey, Orange, Santa Cruz, Mono, Lassen, Mendocino, Modoc, San Luis Obispo, San Mateo, Alpine, Placer, Marin, Trinity, Sonoma, Del Norte, Lake, San Benito, Siskiyou, Solano, Sutter, Tuolumne, Alameda, El Dorado, Fresno, San Francisco, Santa Clara, Shasta, Tulare, Sacramento, Butte, Colusa, Tehama, Napa, Humboldt, Nevada, Mariposa, Glenn, Yolo, Amador

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