Kroenleinia

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Kroenleinia

Kroenleinia Lodé in Cact.-Avent. Int. 102: 25. 2014 sec. Vargas-Luna & al. 20181 wfo-4000042594
      Nametype: Kroenleinia grusonii (Hildm.) Lodé
  • 1. Vargas-Luna, M.D., Hernández-Ledesma, P., Majure, L.C., Puente-Martínez, R., Hernández Macías, H.M. & Bárcenas Luna, R.T. 2018: Splitting Echinocactus: morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae. – PhytoKeys 111. 10.3897/phytokeys.111.26856

Notes

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.A,B

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.

Acknowledgments

Revised by Lucas C. Majure

Bibliography

A. Majure, L.C. 2021: Revisions of Cochemiea, Consolea, Coryphantha, Cylindropuntia, Cumarinia, Grusonia, Kroenleinia, Leptocereus, Melocactus, Micropuntia, Opuntia. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. https://doi.org/10.3372/wi.51.51208
B. Vargas-Luna, M.D., Hernández-Ledesma, P., Majure, L.C., Puente-Martínez, R., Hernández Macías, H.M. & Bárcenas Luna, R.T. 2018: Splitting Echinocactus: morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae. – PhytoKeys 111. https://doi.org/10.3897/phytokeys.111.26856