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Phylogeny and biogeography of Anemopaegma Mart. ex Meisn. (Bignoniaceae)

Grant number: 10/51755-3
Support type:Regular Research Grants
Duration: November 01, 2010 - October 31, 2012
Field of knowledge:Biological Sciences - Botany
Principal Investigator:Lúcia Garcez Lohmann
Grantee:Lúcia Garcez Lohmann
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The tribe Bignonieae includes all neotropical lianas in the plant family Bignoniaceae (360 species and 21 genera) and constitutes the most abundant and diverse group of lianas in the Neotropics. This project aims to study Anemopaegma Mart. ex Meisn., the third largest genus in the tribe. Anemopaegma includes lianas and shrubs that are endemic to regions with oligotrophic soils (poor in nutrients) in Tropical South America. Species of Anemopaegma present a fragmented distribution pattern that follow the distribution of the oligotrophic soils and form "islands." Such fragmented distribution is ideal for biogeographical studies since it allows for the test of specific hypotheses on the origin and diversification of these plant communities. More specifically, this project aims to: (1) reconstruct the phylogeny of Anemopaegma using molecular characters, and (2) study the biogeographical history of the genus. We anticipate publishing results from objective (1) in Molecular Ph ylogenetics and Evolution and results from objective (2) in the Journal of Biogeography. Overall, this project will contribute key information for a better understanding of the history of Anemopaegma. Furthermore, given the great importance of the genus in the Neotropics, results derived from this present project will also contribute important information for a better understanding of the processes that may have shaped the diversification of the Neotropical Flora as a whole. (AU)

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