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The unusual Ondinea , actually just another Australian water-lily of Nymphaea subg. Anecphya (Nymphaeaceae)

2009; Botanic Garden and Botanical Museum Berlin; Volume: 39; Issue: 1 Linguagem: Inglês

10.3372/wi.39.39104

1868-6397

Cornelia Löhne, John H. Wiersema, Thomas Borsch,

Plant Taxonomy and Phylogenetics

Löhne C., Wiersema J. H. & Borsch T.: The unusual Ondinea, actually just another Australian water-lily of Nymphaea subg. Anecphya (Nymphaeaceae). — Willdenowia 39: 55–58. — Online ISSN 1868-6397; © 2009 BGBM Berlin-Dahlem. doi:10.3372/wi.39.39104 (available via http//dx.doi.org/)Based on recent findings of phylogenetic studies using character sets from all three genomic compartments and from morphology, Ondinea purpurea is transferred to Nymphaea and the new name N. ondinea is validly published. This change in classification implements the criterion that higher taxa should be monophyletic. Although, compared to other species of Nymphaea, the Australian N. ondinea appears to be phenotypically very different, most shifts in character states that led to its evolution (e.g., loss of perianth in some of the populations, decrease in stamen and carpel number) are rather quantitative. Several characters not only support a position of Ondinea within Nymphaea (such as an eusyncarpous gynoeceum with carpels less than 50 % fused), but also allow its unambiguous identification as a species of Nymphaea.