Psorothamnus fremontii, the Fremont's dalea or Fremont's indigo bush (after John C. Frémont[1]) is a perennial legume shrub.

Psorothamnus fremontii is common to the Southwestern United States and northwest Mexico - in the states of California, Nevada, Utah, and Arizona, Sonora, and Baja California.

[2] The plant is found in the Sonoran Deserts (including the Colorado Desert), the Great Basin Deserts, and the Mojave Desert sky islands, from 250–1,350 metres (820–4,430 ft) in elevation.

[3] Media related to Psorothamnus fremontii at Wikimedia Commons

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