Webster's Revised Unabridged Dictionary · 1913

Mariposa lily

Mariposa lily

[Sp. mariposa a butterfly + English lily. So called from the gay appearance of the blossoms.]

(Botany) 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.