Calochortus gunnisonii

Calochortus gunnisonii commonly known as Rocky Mountain mariposa or Gunnison 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, Washington state (Grant County, 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. The three petals have a wide rim above a deeply concave center lined with hairs. Between and behind each broad petal are three narrow, lanceolate, sepals. Varieties Calochortus gunnisonii var. gunnisonii - most of species range Calochortus gunnisonii var. perpulcher Cockerell - New Mexico The subspecies Calochortus gunnisonii var. perpulcher (Pecos mariposa lily) is an uncommon yellow color form limited to Colfax, Mora, and ......read more on Wikipedia.