the Tacca and the Zenobia are both native to South America?
Tacca The genus "Tacca", which includes the batflowers and arrowroot, consists of flowering plants in the order Dioscoreales, native to tropical regions of South America, Africa, Australia, Southeast Asia, and various oceanic islands. In older texts, the genus was treated in its own family Taccaceae, but the 2003 APG II system incorporates it into the family Dioscoreaceae. The APG III and APG IV systems continue to include "Tacca" in Dioscoreaceae.
Tityus (genus) Tityus is a large genus of thick-tailed scorpions (family Buthidae), the namesake of its subfamily Tityinae. s of June 2012 , "Tityus" contains more than 200 described species distributed in Central America and South America, from Costa Rica to Argentina.