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Rimacactus Mottram in Bradleya 19: 75. 2001 sec. Guerrero & al. 20201
  • 1. Guerrero, P.C., Walter, H.E., Arroyo, Mary T.K., Peña, Carol M., Tamburrino, I., De Benidictis, M. & Larridon, I. 2020: Molecular phylogeny of the large South American genus Eriosyce (Notocacteae, Cactaceae): Generic delimitation and proposed changes in infrageneric and species ranks. – Taxon 68(3): 557-573. http://doi.org/10.1002/tax.12066


Phylogenetics: Monotypic; segregated from Eriosyce based on the molecular data of Guerrero & al. (2020)
Key literature: Treatments by Kattermann (1994), Hoffmann & Walter (2005; Chile) and Guerrero & al. (2020).A

Taxon standing

Category B. The genus is monophyletic based on phylogenetic studies that support the clade based on a sufficiently dense or even complete sampling, or support a monotypic genus as a distinct lineage, but do not provide a new taxonomic treatment at the species level. In many cases, older classical taxonomic synopses or a monographic treatment exist for these genera providing a reliable assessment of the species included.


Revised by Pablo C. Guerrero


A. Guerrero, P.C. 2021: Revisions of Eriosyce, Eulychnia, Copiapoa, Rimacactus. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 2051-270. http://doi.org/10.3372/wi.51.51208