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Floral epidermal structure and flower orientation: Getting to grips with awkward flowers

Research output: Contribution to journalArticle

Translated title of the contributionFloral epidermal structure and flower orientation: getting to grips with awkward flowers
Original languageEnglish
Pages (from-to)279-285
Number of pages7
JournalArthropod-Plant Interactions
Volume5
Issue number4
Early online date24 Jun 2011
DOIs
DateAccepted/In press - 7 Jun 2011
DateE-pub ahead of print - 24 Jun 2011
DatePublished (current) - Dec 2011

Abstract

The petal epidermis has been found to be important in mediating flower-pollinator interactions. Structures produced on the petal surface, in particular cone-shaped papillate (or conical) cells, have been shown to enhance bumblebee preference for flowers. One reason for this increase in preference is that the conical cells facilitate efficient handling of flowers. This is particularly clear when flower architecture requires bees to land on a vertical surface. We therefore tested the hypothesis that flowers that are held vertically show a greater tendency to produce conical cells. Analysis of 183 species finds that there is no significant relationship between the structures on the petal surface and flower orientation. We discuss the multifunctional properties of conical cells and other floral surface structures that may mean that other factors are of equal or greater importance in the relationship between pollinators and petal epidermal form.

    Research areas

  • tactile structures, grip, floral orientation, plant surface, conical cell, pairwise comparisons

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