Translator Disclaimer
1 July 2010 Phylogenetic Relationships of the Northeastern South American Brownea Clade of Tribe Detarieae (Leguminosae: Caesalpinioideae) Based on Morphology and Molecular Data
Author Affiliations +
Abstract

The legume subfamily Caesalpinioideae is a paraphyletic grade, within which are nested the monophyletic subfamilies Mimosoideae and Papilionoideae. Although higher level relationships within Caesalpinioideae are now better understood, few studies have examined generic and species level relationships. A morphological and molecular phylogenetic analysis of selected members of the Brownea clade (Detarieae: Caesalpinioideae) is presented here, focusing on relationships within and among the genera Elizabetha, Heterostemon, Paloveopsis, and Paloue. Morphological characters (125) and DNA sequence data from the plastid trnL intron and nuclear ITS were used to reconstruct phlogenetic relationships. These results indicate that (1) Heterostemon is monophyletic; (2) the majority of Elizabetha species form a poorly supported, monophyletic group sister to Paloue; and (3) Paloveopsis is nested within Paloue. Intergeneric hybridization between species of Paloue and Elizabetha has been identified and traditional generic, species, and intraspecies boundaries are assessed and reevaluated using the results of the combined phylogenetic analysis.

© Copyright 2010 by the American Society of Plant Taxonomists
Karen M. Redden, Patrick S. Herendeen, Kenneth J. Wurdack, and Anne Bruneau "Phylogenetic Relationships of the Northeastern South American Brownea Clade of Tribe Detarieae (Leguminosae: Caesalpinioideae) Based on Morphology and Molecular Data," Systematic Botany 35(3), 524-533, (1 July 2010). https://doi.org/10.1600/036364410792495863
Published: 1 July 2010
JOURNAL ARTICLE
10 PAGES


SHARE
ARTICLE IMPACT
RIGHTS & PERMISSIONS
Get copyright permission
Back to Top