Rorippa curvisiliqua

Curvepod yellow cress

Family: Brassicaceae · Type: annual · Native

Curvepod yellow cress is a California native annual found in the California Floristic Province and Modoc Plateau in streambanks, marshy ground, and meadows at elevations below 3,500 meters. Flowering from May to October, this plant produces small yellow flowers with spreading petals 0.6 to 1.8 millimeters long. Growing with ascending or prostrate stems 10 to 40 centimeters tall, it typically emerges with several stems from the base. Its leaves are distinctively pinnately lobed, with oblong to oblanceolate basal leaves featuring linear or oblong lateral lobes that can be entire or slightly toothed. The plant produces curved silique fruits 4 to 13 millimeters long, which arch upward from thin spreading pedicels.

Habitat: Uncommon. Streambanks, marshy ground, seepage areas, lake shores, mud flats, meadows

Bloom period: May-Oct

Elevation: < 3500 m

Bioregions: CA-FP, MP

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

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