Hymenoxys cooperi

Cooper goldflower

Family: Asteraceae · Type: perennial · Native

Cooper goldflower is a California native perennial found in the Sweetwater Mountains and eastern desert mountains in roadsides, open areas, and edges of juniper and pine forest at elevations of 1,000 to 3,500 meters. Flowering from May to September, this plant produces yellow ray flowers with distinctive ray lengths of 10 to 17 millimeters and disk flowers arranged in compact clusters. Growing with reddish-purple stems 20 to 80 centimeters tall that are moderately branched and somewhat hairy, it develops from a simple or weakly branched caudex. Its leaves range 4 to 9 centimeters long, typically divided into 3 to 9 linear lobes, with middle blades featuring 3 to 5 lobes and terminal lobes 1 to 2 millimeters wide. The inflorescence includes 7 to 45 flower heads arranged in panicle-like or flat-topped clusters with disk heads 8 to 10 millimeters wide.

Habitat: Roadsides, open areas, edges of juniper/pine forest

Bloom period: May-Sep

Elevation: 1000-3500 m

Bioregions: SNE (Sweetwater Mtns), DMtns

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