Trichocereus macrogonus

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cereeae
Subtribus: Trichocereinae
Genus: Trichocereus
Species:
Varietas: T. m. var. macrogonus – T. m. var. pachanoi

Trichocereus macrogonus (Salm-Dyck) Riccob., , Boll. Reale Orto Bot. Palermo 8: 236. (1909)

• Basionym
  • Cereus macrogonus Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 203. (1850)
• Homotypic
  • Echinopsis macrogona (Salm-Dyck) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 96. (1974)
• Heterotypic
  • Cereus tephracanthus var. bolivianus F.A.C.Weber ex K.Schum., Gesamtbeschr. Kakt.: 81. (1897)
  • Eriocereus tephracanthus var. boliviensis (F.A.C.Weber ex K.Schum.) W.T.Marshall & T.M.Bock, Cactaceae: 98. (1941)
  • Cereus hempelianus Bauer in Monatsschr. Kakteenk. 17: 55. (1907)
  • Trichocereus peruvianus Britton & Rose, Cactaceae 2: 136. (1920)
  • Echinopsis peruviana (Britton & Rose) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 97. (1974)
  • Trichocereus pachanoi f. peruvianus (Britton & Rose) F.Ritter, Kakteen Südamerika 4: 1324. (1981)
  • Trichocereus macrogonus var. peruvianus (Britton & Rose) Lodé in Cact.-Avent. Int. 97: 3. (2012) ["2013"]
  • Cereus rosei Werderm. in Backeberg, Neue Kakteen: 73, 101. (1931)
  • Trichocereus trichosus Cárdenas in Cactus (Paris) 57: 249. (1957)
  • Trichocereus tacnaensis F.Ritter, Kakteen Südamerika 4: 1326. (1981)
  • Trichocereus torataensis F.Ritter, Kakteen Südamerika 4: 1325. (1981)
  • Trichocereus huanucoensis( H.Johnson)

The invalid name Trichocereus colossus is perhaps a hybrid between Trichocereus macrogonus and Trichocereus puquiensis.

• Riccobono, V. 1909. Bollettino delle Reale Orto Botanico di Palermo 8: 236.

• Albesiano, S. & Kiesling, R. 2012. Identity and neotypification of Cereus macrogonus, the type species of the genus Trichocereus (Cactaceae). Haseltonia 2012(17): 24-34. DOI: 10.2985/1070-0048-17.1.3 ResearchGate Reference page. 
• Korotkova, N., Aquino, D., Arias, S., Eggli, U., Franck, A. , Gómez-Hinostrosa, C., Guerrero, P.C., Hernández, H.M., Kohlbecker, A., Köhler, M., Luther, K., Majure, L.C., Müller, A., Metzing, D., Nyffeler, R., Sánchez, D., Schlumpberger, B. & Berendsohn, W.G. 2021. Cactaceae at Caryophyllales. org–a dynamic online species-level taxonomic backbone for the family. Willdenowia 51(2): 251–270. DOI: 10.3372/wi.51.51208 Reference page. 
• Serapio, J., Laguna, E., Gómez-Bellver, C., Domínguez, L.A., Verloove, F. & Sáez, L. 2023. Contribution to the alien flora of the Balearic Islands. Butlletí de la Institució Catalana d’Història Natural 87(1-4): 11-28. PDF Reference page. 

• Govaerts, R. et al. 2025. Trichocereus macrogonus in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 June 24. Reference page. 
• International Plant Names Index. 2021. Trichocereus macrogonus. Published online. Accessed: Nov 12 2021. Reference page.
• Korotkova, N. et al. 2025. Trichocereus macrogonus in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2025 June 12. Reference page. 
• Tropicos.org 2025. Trichocereus macrogonus. Missouri Botanical Garden. Published online. Accessed: 12 June 2025. Reference page.
• USDA, ARS, Germplasm Resources Information Network. Trichocereus macrogonus in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

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