Homalocephala

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Homalocephala

Homalocephala Britton & Rose, Cactaceae 3: 181. 1922 sec. Vargas-Luna & al. 20181

• Type: Homalocephala texensis (Hopffer) Britton & Rose

• 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. http://doi.org/10.3897/phytokeys.111.26856

Content

• Taxon standing

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.