Calochortus kennedyi is a North American species of flowering plant in the lily family known by the common name desert mariposa lily.

It is native to the deserts of the Southwestern United States (Arizona, southern California, southern Nevada, southern Utah and western Texas), and northern Mexico (Sonora, Chihuahua). In California it is found in the Mojave Desert and rain shadowed eastern slopes of the Transverse Ranges.

Species is named for plant collector William L. Kennedy.

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