Cereus polyachaetus Rchb. [ Cereus chalybaeus Otto ex Walp.]
no HD illustration available (m1)
Cereus polyachaetus Rchb. [Cactaceae]
K.M. Schumann, M Gürke, F. Vaupel, Bl. Kakt., vol. 3 : t. 135 (1910) [J. Pohl]