Plant Systematics and Evolution

, Volume 167, Issue 3–4, pp 189–194

Comments on flower evolution and beetle pollination in the generaAnnona andRollinia (Annonaceae)

  • Gerhard Gottsberger
Article

Abstract

Dynastid scarab beetle pollination appears basic within the genusAnnona. Those species ofAnnona which are more morphologically derived, as well as allRollinia spp. possess reduced floral chambers and attract small beetles likeNitidulidae orStaphylinidae. Pollination of the primitive species ofAnnona byDynastinae would imply that the genus had not evolved before the Tertiary. The fossil record is in congruence with this hypothesis. Once again it is stressed that the cantharophilous syndrome, as it is found in theAnnonaceae, Magnoliaceae, Eupomatiaceae andCalycanthaceae, with beetles being exclusive pollinators, is a secondary and derived condition and obviously different from the expected basic entomophily of the original angiosperms.

Key words

Angiosperms Magnoliidae Annonaceae Annona Rollinia Beetle pollination flower evolution 

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Copyright information

© Springer-Verlag 1989

Authors and Affiliations

  • Gerhard Gottsberger
    • 1
  1. 1.Botanisches Institut und Botanischer GartenJustus-Liebig-UniversitätGiessenGermany

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