Yucca rupicola
 Yucca rupicola is a plant in the family Asparagaceae known as the twistleaf yucca twisted-leaf yucca or Texas yucca. The species was described by George Heinrich Adolf Scheele in 1850. This is a small acaulescent plant with distinctive twisted leaves. It is native to the Edwards Plateau region of Texas and also to northeastern Mexico (Coahuila Nuevo León).Yucca rupicola forms colonies of rosettes lacking trunks above-ground but producing a branched caudex under the surface.