Plant Systematics and Evolution

, Volume 137, Issue 4, pp 229–240 | Cite as

The flower biology ofCephalanthera longifolia (Orchidaceae)—pollen imitation and facultative floral mimicry

  • Amots Dafni
  • Yariv Ivri


Solitary bees (Halictus sp.) were found to be the effective pollinators ofCephalanthera longifolia. In the same foraging flight the bees also visit flowers ofCistus salviifolius which has a similar colour pattern.Cephalanthera offers no reward to its pollinators, but orange papillae on its labellum successfully imitate pollen ofCistus. AsCephalanthera also attracts pollinators in the absence ofCistus, this is regarded as “facultative floral mimicry”.

Key words

Angiosperms Orchidaceae Cephalanthera longifolia Cistaceae Cistus salviifolius Hymenoptera Halictus Flower biology and ecology pollination pollen imitation floral mimicry 


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Copyright information

© Springer-Verlag 1981

Authors and Affiliations

  • Amots Dafni
    • 1
  • Yariv Ivri
    • 2
  1. 1.Institute of EvolutionHaifa UniversityHaifaIsrael
  2. 2.Kibbutz Ayelet Ha'shaharIsrael

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