(Pilosocereus tuberculatus)
A species of flowering plant is Pilosocereus tuberculatus. It was first described by Erich Werdermann, and given the exact name of Byles and Gordon Douglas Rowley. Pilosocereus tuberculatus belongs to the genus Pilosocereus, and family Cactaceae. There is no listed species like this. Pilosocereus (from Latin, "hairy cereus") is a genus of cactus native to the Neotropics. Tree cactus is a common name for Pilosocereus species. The commonly cultivated Pilosocereus pachycladus (syn. Pilosocerus azureus) is a blue cactus with hairy areoles that emit golden spines.