Anisocarpus madioides

Woodland tarweed, Woodland Tarweed

Family: Asteraceae · Type: perennial · Native

Woodland tarweed is a California native perennial found in northwestern California, northern Sierra Nevada, central western California, and northern Palomar Mountains in moist forest and woodland habitats at elevations below 1,300 meters. Flowering from April to September, this plant produces yellow flowers with ray flowers 4 to 10 millimeters long and numerous disk flowers. Growing 15 to 80 centimeters tall with erect stems, it has a distinctive branching habit. Its leaves are 5 to 15 millimeters wide with acute tips, arranged alternately along the stems. The plant produces ray fruits 3 to 5 millimeters long with disk ovaries 3 to 4 millimeters in length.

Habitat: Moist forest, woodland

Bloom period: Apr-Sep

Elevation: < 1300 m

Bioregions: NW, n SNH, CW (rare CCo, SCoRI), PR (n Palomar Mtns)

California counties: Trinity, San Benito, Santa Clara, Humboldt, Marin, Sonoma, Lake, Mendocino, Del Norte, Monterey, El Dorado, Nevada, Siskiyou, Napa, San Luis Obispo, San Mateo, Santa Cruz, Butte, Yuba, Contra Costa, San Diego

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