Armatocereus Backeb. in Blätt. Kakteenf. 1938(6): 21. 1938 sec. Hunt 2006 wfo-4000003074 Type: Armatocereus laetus (Kunth) Backeb.
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.
