Piptanthocereus jamacaru var. cyanea Riccob. in Boll. Reale Orto Bot. Palermo 8: 230. 1909 Piptanthocereus jamacaru var. cyanea Riccob. in Boll. Reale Orto Bot. Palermo 8: 230. 1909Taxon for this namePiptanthocereus jamacaru var. cyanea Riccob.
