Selenicereus monacanthus

(Lem)Br&R

◊ Cact. Syst. Init. 36:33 (2017)
◊◊ Cereus monacanthus Lem non Cels - Hort. Univ. 6:60 (1845)
Cereus scandens SD - Cact. Hort. Dyck. 219 (1850)
Cereus lemairei Hook - Curt. Bot. Mag. 80 pl. 4814 (1854)
Cereus trinitatensis Lem&Herment - Rev. Hort 4-8:642 (1859)
Cereus polyrhizus Web - in: Schumann, Gesamtb. Kakt. 151 (1897)
Hylocereus lemairei (Hook) Br&R - Contr. US Nat. Herb. 12:428 (1909)
Hylocerus polyrhizus (Web)Br&R - Cact. 2:185 (1920)
Hylocereus monacanthus (Lem)Br&R - Cact. 2:190' (1920)
Hylocereus venezuelensis Br&R - Cact. 2:226 (1920)
Hylocereus trinitatensis (Lem&Herment)Berg - Kakteen: 341 (1929)
Hylocereus peruvianus Backbg - Fedde Rep. 51:61 nom. nud. (1942)
Hylocereus estebanensis Backbg - DCN 11 (1957)
Hylocereus scandens (SD)Backbg - Backeberg 2:817 (1959)
Wilmattea venezuelensis (Br&R)Croiz - Pittieria 4:39 (1972)

- Green, three-angled, edges wavy, 2-3 cm diameter. Areoles 3 cm apart, with felt. Spines 1-2, stiff, strongly thickened at the base. Flower funnelform, 28 cm long, 17 cm diameter, white, lower part pink. Outer petals narrow, greenish. Filaments numerous, white, lower part pink. Style yellow. Stigma lobes (not always) dissected. Fruit 6 7 cm long, purple, splitting open when ripe.Pulpa white.

- Costa Rica, Nicaragua, Panama; Colombia: Bolívar, Guajira, Magdalena, Santander, Valle; Ecuador: Azuay, Chimborazo, Concepción, El Oro, Guayas, Loja, Los Ríos, Santa Helena, Manabí; Peru: Lambayeque, San Martín, Piura, Tumbes, Sechua to valley of Rio Saña; Venezuela: Anzoátequi, Bolívar, Carabobo, Cojedes, Delta Amacuro, Distrito Federal, Falcón, Guárico, Lara, Portuguesa, Sucre, Zulia; Trinidad, Guyana, Surinam, up to 2000 m.

Cact. 2:190', plate 29
Backeberg 2:811
Cact. 2: 186, 226 (Hylocereus venezuelensis)
Cact. 2:189', plate 31 (Hylocereus lemairei)
Cact. 2: 185 (Hylocereus polyrhizus)
Backeberg 2:806", 807 (Hylocereus peruvianus)
Backeberg 2:808" (Hylocereus polyrhizus)
Backeberg 2:808", 809 (Hylocereus venezuelensis)
Backeberg 2:811
Backeberg 2:811, 812" (Hylocereus lemairei)
Backeberg 2:814", 815 (Hylocereus estebanensis)
CSJ(USA) 51:90 (Hylocereus lemairei)
CSJ(USA) 50:64 (Wilmattea venezuelensis)
BKPK 230" (Hylocereus peruvianus)
BKPK 229" (Hylocereus venezuelensis)
EPIG 6(3):70" (Hylocereus venezuelensis)
Cact. Syst. Init. 17:33
NCL 139 (Hylocereus estebanensis)
NCL 140"