Ammi visnaga

Bisnaga

Family: Apiaceae · Type: annual · Not Native

Bisnaga is a naturalized annual found in coastal California in southern coastal regions, frequently occurring along roadsides and disturbed areas at elevations below 1,000 meters. Flowering from June to July, this plant produces delicate white flowers in wide, intricate umbrella-like clusters with numerous thin rays extending up to 5 centimeters long. Growing 20 to 80 centimeters tall with an upright form, it develops slender stems with finely divided, triangular-ovate leaves that are intricately dissected into small segments. Its lacy leaves are typically 5 to 20 centimeters long, with individual leaf segments ranging from 5 to 35 millimeters, creating a fine, feathery appearance. The fruit is small, approximately 2 to 2.5 millimeters long, with an oblong-ovate shape.

Habitat: Roadsides, railroad tracks, disturbed areas

Bloom period: Jun-Jul

Elevation: generally < 1000 m

Bioregions: CCo, SCo

California counties: Santa Barbara, Yolo, Solano, Orange, Sacramento, Riverside, Colusa, Butte, Glenn, Santa Clara

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