yucca means: Native to Latin America, the Southwest. Flowers, root and fruit can be consumed. Root is used for thickening soups and stews. (in Cooking Dictionary)
What else does yucca mean?
One of many evergreen plants from the genera Yucca And Hesperoyucca The southern United States, Mexico and Central America have stiff, sword-shaped leaves and clusters white flowers. Sometimes, the stem is thick and treelike. (in Merlin Dictionary)