Melocactus hystrix Placement status: name of verified uncertain applicationMelocactus hystrix Parm. ex Miq. in Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 18(Suppl. 1): 138. 1841 sec. Britton & Rose 192211. Britton, N. L. & Rose, J.N. 1922: Cactaceae 3Content