Deamia Britton & Rose, Cactaceae 2: 212. 1920 sec. Korotkova & al. 2017



Phylogenetics: Reinstated by Korotkova et al. (2017), who found Strophocactus testudo (≡ Deamia testudo (Karw.) Britton & Rose, the nomenclatural type of Deamia) and S. chontalensis to form a highly-supported clade (1 PP, 98% MLBS, 99% JK), as sister to the subtribe Pachycereinae, and not closely related to the type species of Strophocactus.A
A. Korotkova, N. 2021: Revisions of Deamia, Disocactus, Epiphyllum, Hatiora, Kimnachia, Lepismium, Leuenbergeria, Lymanbensonia, Pereskia, Pfeiffera, Pseudorhipsalis, Rhipsalidopsis, Rhipsalis, Schlumbergera, Selenicereus, Strophocactus, Weberocereus, and various other names – In: Korotkova N. & al., Cactaceae at – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51(2): 250-270