Areces-Mallea A. E., Pereskia marcanoi, a New Species of Cactaceae from Hispaniola, Brittonia, 1992, 44(4):423-428, doi: 10.2307/2807192
The original description of Leuenbergeria marcanoi (Pereskia marcanoi in the publication) concerns Dominican Republic material. It presents plant structure and separation of flower sexual functions.