Title: Implications of a molecular phylogenetic study of the Malagasy genus Cedrelopsis and its relatives (Ptaeroxylaceae)
Authors: Razafimandimbison, Sylvain G ×
Appelhans, Marc S
Rabarison, Harison
Haevermans, Thomas
Rakotondrafara, Andriarimalala
Rakotonandrasana, Stephan R
Ratsimbason, Michel
Labat, Jean-Noel
Kessler, Paul J. A
Smets, Eric
Cruaud, Corinne
Couloux, Arnaud
Randrianarivelojosia, Milijaona #
Issue Date: Oct-2010
Publisher: Academic Press
Series Title: Molecular Phylogenetics and Evolution vol:57 issue:1 pages:258-265
Abstract: Ptaeroxylaceae is an Afro-Malagasy family containing three genera, Bottegoa. Cedrelopsis, and Ptaeroxylon. Although the family is morphologically well delimited, it is currently considered part of the subfamily Spathelioideae in a broadly circumscribed orange family (Rutaceae). The Malagasy Cedrelopsis has traditionally been associated with different families of the order Sapindales and its phylogenetic placement in Rutaceae sensu lato has yet to be tested with molecular data. The present molecular phylogenetic study reaffirms the monophyly of Ptaeroxylaceae and its placement in Spathelioideae. Therefore, molecules and morphology support close affinities between Bottegoa, Cedrelopsis, and Ptaeroxylon and also their current generic circumscriptions. We report a case of an evolutionary change from one-seeded to two-seeded carpels within the Harrisonia-Cneorum-Ptaeroxylaceae clade of Spathelioideae. Finally, the sister-group relationship between the African Bottegoa and the Afro-Malagasy Ptaeroxylon-Cedrelopsis clade suggests an African origin of Cedrelopsis. (C) 2010 Elsevier Inc. All rights reserved.
ISSN: 1055-7903
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Plant Systematics and Ecology Section - miscellaneous
× corresponding author
# (joint) last author

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