Publications by authors named "Jan Willem P M Wijnands"
Next-generation phylogeography of the banded newts (Ommatotriton): A phylogenetic hypothesis for three ancient species with geographically restricted interspecific gene flow and deep intraspecific genetic structure.
Isolde van Riemsdijk Jan W Arntzen Wiesław Babik Sergé Bogaerts Michael Franzen Jan Willem P M Wijnands
Mol Phylogenet Evol
February 2022
Technological developments now make it possible to employ many markers for many individuals in a phylogeographic setting, even for taxa with large and complex genomes such as salamanders. The banded newt (genus Ommatotriton) from the Near East has been proposed to contain three species (O. nesterovi, O.
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- The orchid Erycina pusilla has flowers that attract pollinators without offering rewards, evolved through unique adaptations like a modified median sepal and callus that mimic rewarding flowers.
- Research utilized morphological, molecular, and phylogenetic techniques, revealing that properties of the median sepal indicate it comes from a first whorl organ, while the lip and callus derive from stamen features.
- Overall, the findings suggest that key floral structures in E. pusilla evolved from different plant parts, including a modified sepal and stamen adaptations, reflecting a complex evolutionary process.