spanish bayonet: tall yucca of the southwestern United States and Mexico having a woody stem and stiff swordlike pointed leaves and a large cluster of white flowers
yucca: any of several evergreen plants of the genus Yucca having usually tall stout stems and a terminal cluster of white flowers; warmer regions of North America
allium: large genus of perennial and biennial pungent bulbous plants: garlic; leek; onion; chive; sometimes placed in family Alliaceae as the type genus