1. yucca of southern United States having a clump of basal grasslike leaves and a central stalk with a terminal raceme of small whitish flowers • Syn: Yucca smalliana • Hypernyms: yucca 2. yucca of west central United States having a clump of basal grasslike leaves and a central stalk with a terminal raceme of small whitish flowers • Syn: Yucca glauca • Hypernyms: yucca 3. stemless plant with tufts of grasslike leaves and erect panicle of minute creamy white flowers; southwestern United States and Mexico • Syn: Nolina microcarpa • Hypernyms: agave, century plant, American aloe • Member Holonyms: Nolina, genus Nolina 4. plant of western North America having woody rhizomes and tufts of stiff grasslike basal leaves and spikes of creamy white flowers • Syn: squaw grass, Xerophyllum tenax • Hypernyms: liliaceous plant • Member Holonyms: Xerophyllum, genus Xerophyllum