Acanthocereus pentagonus (L.) Britton & Rose, Cactaceae 2: 122. 1920 Acanthocereus pentagonus (L.) Britton & Rose, Cactaceae 2: 122. 1920is new combination for Cactus pentagonus L., Sp. Pl.: 466. 1753Taxon for this nameAcanthocereus pentagonus (L.) Britton & Rose