Plant Systematics and Evolution

, Volume 210, Issue 3–4, pp 289–292 | Cite as

Flavonoids ofBignoniaceae from the “cerrado” and their possible taxonomic significance

  • Cecília T. T. Blatt
  • Márcia D. dos Santos
  • Antonio Salatino
Short communication

Abstract

Flavones and glycosides of flavones and flavonols were obtained from leaves of five species ofBignoniaceae from the “cerrado”, a savanna ecosystem of Central and Southeast Brazil. A predominance of flavonol glycosides was observed in all samples investigated. Flavones were often found in species of tribeTecomeae and rarely inBignonieae. The species of the former yielded derivatives of 6-hydroxyluteolin. No 6-oxygenated compounds were found in species ofBignonieae. The results point to the flavonoid chemistry evolution ofBignoniaceae following a path of simplification. More complex chemical profiles characterize the more woodyTecomeae rather than the more advancedBignonieae.

Key words

Bignoniaceae Bignonieae Tecomeae Flavonoids chemotaxonomy 

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Copyright information

© Springer-Verlag 1998

Authors and Affiliations

  • Cecília T. T. Blatt
    • 1
  • Márcia D. dos Santos
    • 1
  • Antonio Salatino
    • 2
  1. 1.Laboratory of Plant Physiology and BiochemistryBotany InstituteSã PauloBrazil
  2. 2.Department of Botany, Institute of BiosciencesUniversity of São PauloSão PauloBrazil

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