Acanthocereus

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Acanthocereus

Acanthocereus (Engelm. ex A.Berger) Britton & Rose in Contr. U.S. Natl. Herb. 12: 432. 1909 sec. Korotkova & al. 20171

• ≡Cereus subsect. Acanthocereus Engelm. ex A.Berger in Rep. (Annual) Missouri Bot. Gard. 16: 77. 1905 syn. sec. Korotkova & al. 20171
• Type: Acanthocereus baxaniensis (Karw. ex Pfeiff.) Borg

• 1. Korotkova, N., Borsch, T. & Arias, S. 2017: A phylogenetic framework for the Hylocereeae (Cactaceae) and implications for the circumscription of the genera. – Phytotaxa 327(1): 1-46. http://doi.org/10.11646/phytotaxa.327.1.1

• =Peniocereus subg. Pseudoacanthocereus Sánchez-Mej. in Cact. Suc. Mex. 19: 38. 1974 syn. sec. Korotkova & al. 20172
• Type: Cereus maculatus Weing.
• Type: Peniocereus maculatus (Weing.) Cutak

• 2. Korotkova, N., Borsch, T. & Arias, S. 2017: A phylogenetic framework for the Hylocereeae (Cactaceae) and implications for the circumscription of the genera. – Phytotaxa 327(1): 1-46. http://doi.org/10.11646/phytotaxa.327.1.1

Content

• Notes
• Taxon standing
• Acknowledgments
• Bibliography

Notes

The sister relationship of Peniocereus subg. Pseudoacanthocereus and Acanthocereus has been shown several times with high statistical support from plastid data (Nyffeler 2002; Arias & al. 2005; Korotkova & al. 2017). Based on these results, Acanthocereus is only monophyletic if it also includes Peniocereus subg. Pseudoacanthocereus. Therefore, a new circumscription of Acanthocereus now including the nine erstwhile Peniocereus subgen. Pseudoacanthocereus species was provided by Korotkova & al. (2017).A,B,C,D

Taxon standing

Category A. The genus is monophyletic based on a complete or very comprehensive phylogenetic study, and a phylogeny-based taxonomic synopsis was published.C

Acknowledgments

Revised by Salvador Arias, Carlos Gómez-Hinostrosa & Héctor M. Hernández

Bibliography

A. Arias, S. 2021: Revisions of Acanthocereus, Aporocactus, Astrophytum, Bergerocactus, Cephalocereus, Disocactus, Marshallocereus, Nyctocereus, Pachycereus, Peniocereus, Pereskiopsis, Selenicereus, Stenocereus, Strophocactus. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. http://doi.org/10.3372/wi.51.51208

B. Arias, S., Terrazas, T., Arreola-Nava, H. J., Vázquez-Sánchez & Cameron, K. M. 2005: Phylogenetic relationships in Peniocereus (Cactaceae) inferred from plastid DNA sequence data. – Journal of Plant Research 118(5): 317-328. http://doi.org/10.1007/s10265-005-0225-3

C. Korotkova, N., Borsch, T. & Arias, S. 2017: A phylogenetic framework for the Hylocereeae (Cactaceae) and implications for the circumscription of the genera. – Phytotaxa 327(1): 1-46. http://doi.org/10.11646/phytotaxa.327.1.1

D. Nyffeler, R. 2002: Phylogenetic relationships in the cactus family (Cactaceae) based on evidence from trnK/matK and trnL-trnF sequences. – American Journal of Botany 89(2): 312-326