Notes on the taxonomy of Parakeelya Hershk. (Montiaceae)

Mark A. Hershkovitz

Calandrinia, Parakeelya, Rumicastrum, Montiaceae, Australia

The genus Parakeelya Hershk. was erected in 1999 to accommodate a clade of Australian species traditionally classified in classical polyphyletic Calandrinia Kunth s. lato. Nonetheless, Australian specialists and most taxonomic references worldwide continued to use the name Calandrinia. Earlier, in 1987, Roger Carolin concluded that the monotypic genus Rumicastrum Ulb. is a species of Australian calandrinia, and this name is older than Parakeelya, hence has priority as the generic name for the Australian species. Subsequent Australian specialists did not adopt this usage, either. In 2018, phylogenomic data demonstrated definitively that Rumicastrum pertains to the Australian clade, hence that this is the correct generic name. A catalog of Rumicastrum combinations of all of the species was published, and these names were accepted in the most important global taxonomic references. However, the Australian specialists formally proposed to conserve the name Parakeelya over Rumicastrum. Despite egregious data errors in the proposal and technical disqualification of two of its three principal arguments, this conservation has been accepted. The present work provides the necessary nomenclatural recombinations in Parakeelya, and also names a new species. The storied saga of the taxonomy of this genus is reviewed.

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"Notes on the taxonomy of Parakeelya Hershk. (Montiaceae)", IJSDR - International Journal of Scientific Development and Research (www.IJSDR.org), ISSN:2455-2631, Vol.8, Issue 9, page no.110 - 122, September-2023, Available :https://ijsdr.org/papers/IJSDR2309017.pdf

Volume 8 Issue 9, September-2023

Pages : 110 - 122

Paper Reg. ID: IJSDR_208451

Published Paper Id: IJSDR2309017

Downloads: 000347068

Research Area: Biological Science

Country: Santiago , Met, Chile

Published Paper PDF: https://ijsdr.org/papers/IJSDR2309017

Published Paper URL: https://ijsdr.org/viewpaperforall?paper=IJSDR2309017

ISSN: 2455-2631 | IMPACT FACTOR: 9.15 Calculated By Google Scholar | ESTD YEAR: 2016

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