Common name: Cooper's dogweed, Cooper's dyssodia
Latin name: Adenophyllum cooperi (was Dyssodia cooperi)
Height: 30 to 50 cm
Description: Ray and disk flowers with the ray flowers sitting lower than the disk flowers.
Leaf: Coarsely toothed or shallow lobed with spiny edges.
Range: Eastern and Southern Mojave Desert and desert mountains, also s Nevada, nw Arizona.
Habitat: Dry, sandy slopes and washes.
Elevation: 600 to 1500 m
Flowering time: May–Jun, Sep–Nov
Notes: Perennial subshrub, several erect stems covered with tiny hairs, unpleasant odor, common along roadsides. Can be seen along Kelbaker Road and Kelso-Cima Road in the Mojave National Preserve as well as Highway 247 south of Barstow where this example was photographed.
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