Yucca is a genus of over 40 perennial plants, shrubs, and trees. A few are grown as houseplants, including Yucca gigantea (also known as Y. guatemalensis and Y. elephantipes) and the Yucca aloifolia.

"We looked at about 581 species of angiosperms (flowering plants ... species that depend on each other for survival, such as the yucca plant and yucca moth, Li said. The small, whitish moth ...