◊ Cact. 2:207' (1920)
◊◊ Cereus inermis Otto - in: Pfeiffer, Enum. Cact. 116 (1837)
Cereus karstenii SD - Cact. Hort. Dyck. 218 (1850)
Cereus wercklei Web - Bull. Mus. Hist. Nat. Paris 8:460 (1902)
Selenicereus wercklei (Web)Br&R - Cact. 2:208, 209" (1920)
Epiphyllum steyermarkii Croiz - Phytologia 28:17-20 (1974)
Selenicereus rubineus Kimn - CSJ(USA) 65(1):16-18" (1993)
Mediocactus inermis (O)Dwld - Sukkulenty 4(1-2):42 (2002)
Mediocactus wercklei (Web)Dwld - Sukkulenty 1-2:42 (2002)
Selenicereus inermis ssp wercklei (Web)Góm-Hin&Hern - in: Brittonia 66: 58 (2013)
Selenicereus inermis ssp rubineus (Kimn)Góm-Hin&Hern - in: Brittonia 66:57 (2013)
- Shiny green. Stems up to 1.25 cm thick. Ribs 3-5. Areoles wide
apart, initially with some bristles, later spineless. Flower 12-17.5 cm long,
14 cm wide. Inner petals white, base reddish. Ovary and receptacle with some spines, without hairs. Style
thick, reddish. Stigmas yellowish green. Fruit green to yellow.
- Bolivia: La Paz; Columbia: Caldas, Magdalena, Norte de Santander;
Costa Rica: Alajuela, Cartago, Guanacaste; Mexico: Oaxaca, Chiapas; Panama:
Darién; Venezuela: La Guayra (T), Aragua, Bolívar, Carabobo, Distrito
Federal, Falcón, Miranda, Monagas, Sucre, Táchira, up to 1800 m.
Cact. 2:207, 208'
Backeberg 2:791
KuaS 26:67 (1975)
Bradleya 7:92
Cact. 2:208", 209 (S. wercklei)
Backeberg 2:791 (S. wercklei)
KuaS 27(5)102" (S. wercklei)
KuaS 75(4):113"
EPIG 2(3):29"; 4(2):38; 5(4):86"; 6(1):20
NCL 263"