Dracaena ensifolia

About

Yucca gloriosa, also known as Spanish dagger, mound lily yucca and other common names, is a species of flowering plant in the asparagus family, native to the southeastern United States. Growing to 2.5 m (8 ft), it is an evergreen shrub. It is widely cultivated as an ornamental for its architectural qualities, and has reportedly become established in warmer climates in the wild in various parts of the world.

Summary from Wikipedia