González-Zamora P., Carrillo-Reyes P., Sánchez D., Acanthocereus paradoxus (Cactaceae), a new endemic species from Jalisco, Mexico, Phytotaxa, 2020, 470(2):145-154, doi: 10.11646/phytotaxa.470.2.3
The original diagnosis of Acanthocereus paradoxus emphasizes cylindrical adult stems and more strongly ribbed juvenile stems. Comparative data are developed in the full 2026 publication.