Echinocereus polyacanthus

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Echinocereus polyacanthus

Echinocereus polyacanthus Engelm., Mem. Tour N. Mexico: 104. 1848 sec. Sánchez & al. 2018
  • Cereus polyacanthus Engelm., Pl. Fendler.: 51. 1849 syn. sec. Blum & al. 1998
  • Echinocereus triglochidiatus var. polyacanthus (Engelm. ex Wisl.) L.D.Benson in Proc. Calif. Acad. Sci., ser. 4, 25: 253. 1944 syn. sec. Blum & al. 2017
  • Echinocereus triglochidiatus subsp. polyacanthus (Engelm.) U.Guzmán in Cactaceae Syst. Init. 16: 17. 2003 syn. sec. Kew WCVP (2019)
  • =Cereus leeanus Hook. in Bot. Mag. 75: t. 4417. 1849 syn. sec. ???
  • Echinocereus leeanus (Hook.) Lem., Cactées: 57. 1868 syn. sec. Blum & al. 2017
  • =Cereus pleiogonus Labour., Monogr. Cactaceae: 317. 1853 syn. sec. Blum & al. 2017
  • Echinocereus pleiogonus (Labour.) Croucher in Garden (London) 13: 290. 1878 syn. sec. Blum & al. 2017
  • =Echinocereus durangensis Rümpler, Handb. Cacteenk., ed. 2: 800. 1885 syn. sec. Blum & al. 2017
  • =Echinocereus durangensis var. nigrispinus Rümpler, Handb. Cacteenk., ed. 2: 800. 1885 syn. sec. Blum & al. 2017
  • =Echinocereus durangensis var. rufispinus Rümpler, Handb. Cacteenk., ed. 2: 800. 1885 syn. sec. Blum & al. 2017
  • =Echinocereus acifer var. diversispinus K.Schum., Gesamtbeschr. Kakt.: 287. 1897 syn. sec. Blum & al. 2017
  • =Echinocereus acifer var. durangensis K.Schum., Gesamtbeschr. Kakt.: 287. 1897 syn. sec. Blum & al. 2017
  • =Echinocereus leeanus var. multicostatus K.Schum., Gesamtbeschr. Kakt.: 289. 1897 syn. sec. Blum & al. 2017
  • =Echinocereus marksianus Fritz Schwarz in Backeberg, Kakteenlex.: 124. 1966 syn. sec. Blum & al. 2017

Notes

The basionym C. pleiogonus had been previously assigned to E. triglochidiatus. However, the original description mentions a plant with 13 ribs, 9 radial spines and 4 central spines, which does not agree with E. triglochidiatus. Blum & al. (2017) suggest that C. pleiogonus may belong to E. polycanthus.A

Bibliography

A. Sánchez, D. 2021: Revision of Echinocereus – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51(2): 250-270