Adenophyllum cooperi

Cooper dyssodia

Family: Asteraceae · Type: perennial · Native

Cooper dyssodia is a California native perennial found on the northern edge of the San Bernardino Mountains and Mojave Desert in desert washes, alluvial fans, and open scrub woodland at elevations of 450 to 1,600 meters. Flowering from April to June and September to November, this plant produces yellow-orange ray flowers that mature to red-orange, with distinctive heads 15 to 18 millimeters wide. Growing 25 to 50 centimeters tall with a glaucous (bluish-gray) herbage, it has erect stems with distinctive leaves. Its leaves are 8 to 25 millimeters long, sometimes slightly lobed at the base, with oil glands near the base and tip, and range from nearly glabrous to densely fine-haired. The fruit is 5 to 7 millimeters long with pappus scales 7 to 10 millimeters in length, each composed of 5 to 9 fused bristles.

Habitat: Washes, alluvial fans, sometimes rocky slopes, in open scrub, woodland

Bloom period: Apr-Jun, Sep--Nov

Elevation: 450-1600 m

Bioregions: n edge SnBr, DMoj

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