Plant Systematics and Evolution

, Volume 154, Issue 1, pp 1-10

First online:

Insect and wind pollination inUrginea maritima (Liliaceae)

  • A. DafniAffiliated withInstitute of Evolution, Haifa University
  • , R. DukasAffiliated withIsrael Entomology Centre

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Three co-existing pollination mechanisms are found inUrginea maritima: insect-, wind-, and self-pollination. The flowers exhibit a typical insect-pollination syndrome; they offer abundant exposed nectar as well as pollen. Out of the many different visitors only a few could be regarded as pollinators:Apis mellifera, Polistes gallicus, andVespa orientalis. Wind pollination also occurs and generally is responsible for self-pollination.

It is argued that the development of extra wind-pollination accompanied by partial self-incompatibility is an adaptation to increase pollination in an unfavourable season (August–September), when insects are scarce.

Key words

Angiosperms Liliaceae Urginea maritima Pollination mechanisms