International Carnivorous Plant Society

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A new sectional name for the Brazilian tetraploid clade of Drosera subgenus Drosera

Andreas Fleischmann and Paulo Minatel Gonella and Fernando Rivadavia

Carniv. Pl. Newslett. 47(1):4-9
Published March 2018

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Abstract

Historical infrageneric classifications of the genus Drosera L. (De Candolle 1824; Planchon 1848a, b; Diels 1906; Seine & Barthlott 1994; Schlauer 1996) took into account the external morphology of its species, especially style division, but also data from palynology (Takahashi & Sohma 1982), trichome morphology (Seine & Barthlott 1993; Länger et al. 1995) and chromosome numbers (e.g., Kondo 1976). Nevertheless, when confronted with the molecular phylogenetic reconstructions (Rivadavia et al. 2003, 2012), all existing classifications were unsuccessful in circumscribing a monophyletic D. section Drosera, due to the high homoplasy of morphological traits in that section. Hence, a new classification congruent with the phylogeny and based on monophyletic groups became necessary (Fleischmann et al. 2018).

Keywords: taxonomy, Drosera sect. Brasiliae, classification, phylogeny, Brazil

Article Citation

Andreas Fleischmann and Paulo Minatel Gonella and Fernando Rivadavia. 2018. A new sectional name for the Brazilian tetraploid clade of Drosera subgenus Drosera. Carniv. Pl. Newslett. 47(1):4-9.

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