- protruding. In some
species (from the
earlier genera Borzicereus and
Cephalocleistocactus) they
appear from con****uous
zones of
heavy bristle and hair formation...
- Browningia, Brasilicereus, Calymmanthium, Carnegiea, Cephalocereus,
Cephalocleistocactus, Cereus, Cintia, Cipocereus, Cleistocactus, Coleocephalocereus, Copiapoa...
- Ritter,
Borzicactus Riccob,
Borzicereus Fric & Kreuz. (orth. var.),
Cephalocleistocactus F.Ritter,
Cleistocereus Fric & Kreuz. (orth. var.), Clistanthocereus...
-
description was made in 1959 by Curt Backeberg. A
nomenclature synonym is
Cephalocleistocactus ritteri (Backeb.) Backeb. (1962). In the IUCN Red List of Threatened...