Calochortus gunnisonii

Calochortus gunnisonii (Gunnison's mariposa lily) is a North American species of flowering plant in the lily family. It is native to the western United States, primarily in the Rocky Mountains and Black Hills: Arizona, New Mexico, Utah, Colorado, Wyoming, Montana, South Dakota, northwestern Nebraska (Sioux County) and eastern Idaho (Fremont County).

Calochortus gunnisonii is a bulb-forming perennial with straight stems up to 55 cm tall. Flowers are white to purple with darker purple markings.