Name : Curve Leaf Yucca  
Information : Scientific Name: Yucca gloriosa var. tristis, Info: Yucca plants have a number of built-in water-saving techniques for arid areas. The evergreen, woody curly yucca (Yucca gloriosa var. tristis) reaches heights of 1.8 to 3 metres. It gets its name from the downward-curving 91 cm long narrow leaves.