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| Viola pachysoma
in Watson, Flores, Sheader & Sheader, 2018.
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Abstract
The species herein, Viola pachysoma, has a long history of confused identity. When recognised as a distinct taxonomic entity it was published as Viola copahuensis. It also acquired a later replacement name, Viola caviahuensis. Each of these in turn has been formally declared nom. illeg. et nom superfl. Consequently, a third epithet for the taxon, V. pachysoma, is coined and presented here. The original protologue lacked a formal diagnosis, so we have added a supplementary version. We also chronicle the species since known to science, including its status as one of the parents of the first recorded hybrid in its section. A discussion and two multi-character tables serve to compare and separate species comprising the poorly understood geographical alliance which incorporates V. pachysoma.
Keywords: ICN Code, misidentification, natural hybrid, nomen illegitimum, nomen superfluum, section Andinium, sempervivoid, volcanic, Eudicots
John M. Watson, Ana R. Flores, Martin Sheader and Anna-Liisa Sheader. 2018. Viola pachysoma (Violaceae), A New Name for A Rosulate Species Endemic to the Andes of Argentinian Patagonia. Phytotaxa. 382(1); 113–124. DOI: 10.11646/phytotaxa.382.1.6
