Erysimum capitatum

Western wallflower, Western Wallflower

Family: Brassicaceae · Type: perennial · Native

Western wallflower is a California native perennial herb found in diverse habitats across California's mountain and foothill regions at elevations ranging from low to moderate heights. Flowering from March to June, this plant produces vibrant orange to yellow flowers (occasionally lavender to purple) with broad petals 12 to 25 millimeters long. Growing with slender stems 1.2 to 10 feet tall, it develops a characteristic biennial or short-lived perennial form. Its narrow leaves are linear to spoon-shaped, 0.3 to 1.5 centimeters wide, with distinctive 2 to 4-rayed hairs covering the surface. The plant produces elongated fruit pods 3.5 to 11 centimeters long, containing 54 to 82 small winged seeds.

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

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