Hylocereus trigonus (Haw.) Saff. [ Cereus triangularis Haw.]
      
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Hylocereus trigonus (Haw.) Saff. [Cereus triangularis Haw.] Cactaceae
M. Blanco, Fl. Filip., ed. 3, vol. 2 (Atlas): t. 324 (1875) [xxx]