Maihueniopsis

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Maihueniopsis

Maihueniopsis Speg. in Anales Soc. Ci. Argent. 99: 86. 1925 sec. Hunt 2016

• Type: Maihueniopsis molfinoi Speg.

• =Puna R.Kiesling in Hickenia 1: 289. 1982 syn. sec. Hunt 2006
• ≡Maihueniopsis subg. Puna (R.Kiesling) Stuppy in Succ. Pl. Res. 6: 50. 2002 syn. sec. Hunt 2006
• Type: Puna clavarioides (Otto ex Pfeiff.) R.Kiesling
• Type: Opuntia clavarioides Hort.Berol. ex Pfeiff.

• –Clavarioidia Frič & Schelle ex Kreuz., Verzeichnis Amer. Sukk. Rev. Syst. Kakteen: 41. 1935, nom. inval., syn. sec. ???

Content

• Notes
• Taxon standing
• Bibliography

Notes

Phylogenetics: Griffith & Porter (2009) found Maihueniopsis polyphyletic based on a combined analysis of nuclear ITS and plastid trnL-F, but Ritz & al. (2012) found a monophyletic Maihueniopsis to be strongly supported by nuclear phyC and plastid trnK/matK. The reasons for these deviating results are discussed in detail by Ritz & al. (2012) and appear to result from peculiarities in the evolution of the ITS sequences used by Griffith & Porter that seem unsuitable to adequately represent phylogenetic relationships.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.

Bibliography

A. Hernández-Ledesma, P., Berendsohn, W. G., Borsch, T., von Mering, S., Akhani, H., Arias, S., Castañeda-Noa, I., Eggli, U., Eriksson, R., Flores-Olvera, H., Fuentes-Bazán, S., Kadereit, G., Klak, C., Korotkova, N., Nyffeler, R., Ocampo, G. & Ochoterena, H. 2015: A taxonomic backbone for the global synthesis of species diversity in the angiosperm order Caryophyllales. – Willdenowia 45(3): 281-383