Armatocereus Armatocereus Backeb. in Blätt. Kakteenf. 1938(6): 21. 1938 sec. Hunt 2006Type: Armatocereus laetus (Kunth) Backeb.ContentTaxon standing Taxon standing Category C. The genus is probably monophyletic, but only some of the species were sampled in phylogenetic studies, too few to reliably establish its monophyly.