Wilcoxia papillosa Britton & Rose, Cactaceae 2: 112. 1920 Wilcoxia papillosa Britton & Rose, Cactaceae 2: 112. 1920is basionym for Peniocereus papillosus (Britton & Rose) U.Guzmán in Cactaceae Syst. Init. 16: 18. 2003Taxon for this nameWilcoxia papillosa Britton & Rose, Cactaceae 2: 112. 1920