Calochortus

Calochortus /ˌkæləˈkɔːrtəs, -loʊ-/ is a genus of North American plants in the lily family. The group includes herbaceous, perennial and bulbous species, all native to North America (primarily the Western United States).

The genus Calochortus includes mariposas (or mariposa lilies) with open wedge-shaped petals, globe lilies and fairy lanterns with globe-shaped flowers, and cat's ears and star tulips with erect pointed petals. The word Calochortus is derived from Greek and means "beautiful grass".