mar·i·po·sa lily /ˌmærəˈpozə, sə-/
  Ma·ri·po·sa lil·y  Bot. One of a genus (Calochortus) of tuliplike bulbous herbs with large, and often gaycolored, blossoms.  Called also butterfly lily.  Most of them are natives of California.
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  mariposa lily
       n : any of several plants of the genus Calochortus having
           tulip-shaped flowers with 3 sepals and 3 petals;
           southwestern United States and Mexico [syn: mariposa, mariposa
           tulip]