A phylogenetic analysis of Leucaena (Leguminosae: Mimosoidae).

SA Harris, CE Hughes, R Ingram, Richard John Abbott

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Chloroplast DNA restriction fragment length polymorphisms have been used to reconstruct the maternal phylogeny of all the known taxa in the small neotropical legume genus Leucaena. Three major plastome clades were recognized, but these did not conform with relationships between the taxa proposed on other characters from morphology, cytology or hybridization. The maternal parentage of tetraploids within the genus has been proposed. Evidence for introgression was found between ''diploid'' L. diversifolia and ''tetraploid'' L. diversifolia. The implications of these results for the origin of the cultivated taxa are discussed.

Original languageEnglish
Pages (from-to)1-26
Number of pages26
JournalPlant Systematics and Evolution
Volume191
Issue number1-2
DOIs
Publication statusPublished - Mar 1994

Keywords

  • LEGUMINOSAE
  • MIMOSEAE
  • LEUCAENA
  • PHYLOGENY
  • CHLOROPLAST DNA
  • POLYPLOIDY
  • EVOLUTION
  • CHLOROPLAST-DNA VARIATION
  • RESTRICTION FRAGMENT ANALYSIS
  • GENUS SENECIO-L
  • MOLECULAR SYSTEMATICS
  • CONSISTENCY INDEX
  • HELIANTHUS-ANNUUS
  • MULTIPLE ORIGINS
  • SYMPATRIC REGION
  • PLANT PHYLOGENY

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