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Kroenleinia Lodé in Cact.-Avent. Int. 102: 25. 2014 sec. Vargas-Luna & al. 2018


Revised by Lucas C. Majure


Phylogenetics: Vargas-Luna & al. (2018) showed that Echinocactus grusonii was most closely related to Ferocactus and not to Echinocactus. Thus, the species clearly does not belong in Echinocactus. Those authors state that perhaps the close relationship to Ferocactus should be further explored with morphological data, so it possible that Kroenleinia grusonii is best circumscribed within Ferocactus (Vargas-Luna & al. (2018). However, for now given the phylogenetic topology, the recognition of Kroenleinia seems to be warranted. See also notes under Echinocactus.

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.


A. Majure, L.C. 2021: Revisions of Cochemiea, Consolea, Coryphantha, Cylindropuntia, Cumarinia, Grusonia, Kroenleinia, Leptocereus, Melocactus, Micropuntia, Opuntia. – In: Korotkova N. & al., Cactaceae at – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270