spanish bayonet(n = noun.plant) yucca baccata - 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;
spanish bayonet(n = noun.plant) yucca aloifolia - a stiff yucca with a short trunk; found in the southern United States and tropical America; has rigid spine-tipped leaves and clusters of white flowers;