International Carnivorous Plant Society

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When three become two: Drosera coalara links Drosera citrina with Drosera nivea

Thilo Alexander Krueger and Andreas Fleischmann

Carniv. Pl. Newslett. 49(1):6-16
Published March 2020

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Abstract

The pygmy sundews (Drosera section Bryastrum) are the second-largest group of Australian Drosera in terms of species number following the tuberous sundews. According to the latest revisions (Fleischmann et al. 2018; Robinson et al. 2018) they currently comprise 51 species in southwest Western Australia and six named natural hybrids (Lowrie 2014; Lowrie et al. 2017). Within the pygmy Drosera, a wide range of flower colors can be found, ranging from pure white, various shades of pink, metallic orange, and red to yellow colors, quite often with bi- or rarely even tricolored petals (Lowrie 1989; Robinson et al. 2018). The color combination of lime yellow petals with white base has thus far been considered to be unique to D. citrina (Lowrie & Carlquist 1992; Lowrie 2014; Lowrie et al. 2017).

Keywords: taxonomy, Drosera sect. Bryastrum, pygmy Drosera, pollination ecology, Western Australia; Drosera coalara, citrina, nivea

Article Citation

Thilo Alexander Krueger and Andreas Fleischmann. 2020. When three become two: Drosera coalara links Drosera citrina with Drosera nivea. Carniv. Pl. Newslett. 49(1):6-16.

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