Quinolizidine alkaloid status of Styphnolobium and Cladrastis (Leguminosae)

  • Geoffrey C. Kite
  • , R. Toby Pennington

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Reports of quinolizidine alkaloids in Styphnolobium Schott and Cladrastis Raf. (Leguminosae) conflict with their position in recent molecular phylogenies because they are not members of a major clade of quinolizidine alkaloid-accumulating taxa. The alkaloid status of these two genera was therefore re-investigated using gas chromatography-mass spectrometry. Quinolizidine alkaloids could not be detected in extracts of leaves, flowers or seeds of S. japonicum (L.) Schott, nor in leaves of S. affine (Torrey & A. Gray) Walp., C. delavayi (Franch.) Prain, C. kentukea (Dum.-Cours.) Rudd or C. platycarpa Mak. In contrast, Calia secundiflora (Ortega) Yakovlev, also currently placed outside the major clade of quinolizidine alkaloid-producing genera in molecular phylogenies, was confirmed to accumulate a range of quinolizidine alkaloids.

Original languageEnglish
Pages (from-to)1409-1416
Number of pages8
JournalBiochemical Systematics and Ecology
Volume31
Issue number12
DOIs
StatePublished - Dec 2003

Keywords

  • Calia
  • Chemosystematics
  • Cladrastis
  • Gas chromatography-mass spectrometry
  • Leguminosae
  • Quinolizidine alkaloids
  • Sophora
  • Styphnolobium

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