Cereus validus Haw. in Philos. Mag. Ann. Chem. 10: 414. 1831 Cereus validus Haw. in Philos. Mag. Ann. Chem. 10: 414. 1831is basionym for Piptanthocereus validus (Haw.) Riccob. in Boll. Reale Orto Bot. Palermo 8: 234. 1909Taxon for this nameCereus validus Haw.