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Barbara Gravendeel

Researcher at Naturalis

Publications -  141
Citations -  4477

Barbara Gravendeel is an academic researcher from Naturalis. The author has contributed to research in topics: Phylogenetic tree & Pleurothallidinae. The author has an hindex of 32, co-authored 129 publications receiving 3825 citations. Previous affiliations of Barbara Gravendeel include University of Applied Sciences Leiden & Radboud University Nijmegen.

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Dating the origin of the Orchidaceae from a fossil orchid with its pollinator

TL;DR: An exquisitely preserved orchid pollinarium attached to the mesoscutellum of an extinct stingless bee recovered from Miocene amber in the Dominican Republic, that is 15–20 million years old, constitutes both the first unambiguous fossil of Orchidaceae and an unprecedented direct fossil observation of a plant–pollinator interaction.
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Evolution of endemism on a young tropical mountain.

Vincent S. F. T. Merckx, +70 more
- 20 Aug 2015 - 
TL;DR: This investigation of the evolutionary routes to endemism on the 4,095-metre-high Mount Kinabalu in Sabah, East Malaysia finds that most of its unique biodiversity is younger than the mountain itself, and comprises a mix of immigrant pre-adapted lineages and descendants from local lowland ancestors, although substantial shifts from lower to higher vegetation zones in this latter group were rare.
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Epiphytism and pollinator specialization: drivers for orchid diversity?

TL;DR: Whether orchids managed to radiate so explosively owing to their predominantly epiphytic habit and/or their specialized pollinator systems is investigated by testing these hypotheses from a statistical and phylogenetic standpoint and Repeated associations between a small body size, short life cycle and specialized clinging roots of twigEpiphytes in Bulbophyllinae and Oncidiinae were discovered.