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Open Access Publications from the University of California

Insufficient Evidence of Purported Lunar Effect on Pollination in Ephedra


It has been suggested that the timing of pollination in Ephedra foeminea coincides with the full moon in July. The implication is that the plant can detect the full moon through light or gravity and that this trait is an evolutionary adaptation that aids the navigation by pollinating insects. Here we show that there is insufficient data to make such a claim and we predict that pollinations of E. foeminea do not in general coincide with the full moon.

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