Camissoniopsis robusta

Robust subcup

Family: Onagraceae · Type: annual · Native

Robust subcup is a California native annual found on the Channel Islands including Santa Cruz, San Clemente, and Santa Catalina, and in the Peninsular Ranges at elevations below 300 meters in coastal-sage scrub and chaparral habitats. Flowering from March to August, this plant produces yellow flowers with small basal spots 3.2 to 7 millimeters long. Growing with erect stems up to 60 centimeters tall and spreading hairs, it develops in rosette form with distinctive glandular characteristics. Its narrow lance-elliptic leaves measure 10 to 80 millimeters long, with minute teeth and nearly sessile attachment to the stem. The slender fruit is 14 to 25 millimeters long, slightly four-angled, and typically single-coiled.

Habitat: Coastal-sage scrub, chaparral, generally in disturbed areas

Bloom period: Mar-Aug

Elevation: < 300 m

Bioregions: ChI (Santa Cruz, San Clemente, Santa Catalina islands), PR

California counties: Los Angeles, San Diego, Santa Barbara

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