A Note on Iris Flower Anthesis: Mechanism and Meaning of Sudden Flower Opening
2016
Heinrich, Bernd
Experiments with Iris pseudacorus (Yellow Iris) reveal the mechanics of a sudden-release phenomenon in these flowers caused by slow bending of the outer tepals while their top-margins cling together, leading to stored mechanical energy that is released explosively. In this note, I discuss the possible adaptive significance of this flower behavior in terms o f pollinator learning-behavior.
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