Yucca filamentosa

Yucca Yuc"ca, n. [NL., from Yuca, its name in St. Domingo.] (Bot.) A genus of American liliaceous, sometimes arborescent, plants having long, pointed, and often rigid, leaves at the top of a more or less woody stem, and bearing a large panicle of showy white blossoms. [1913 Webster]

Note: The species with more rigid leaves (as {Yucca aloifolia}, {Yucca Treculiana}, and {Yucca baccata}) are called {Spanish bayonet}, and one with softer leaves ({Yucca filamentosa}) is called {bear grass}, and {Adam's needle}. [1913 Webster]

{Yucca moth} (Zo["o]l.), a small silvery moth ({Pronuba yuccasella}) whose larv[ae] feed on plants of the genus {Yucca}. [1913 Webster]