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Sun-tracking dads make better pollen

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1:45pm, June 17, 2003

In a rare test of paternal behavior in plants, snow buttercup flowers kept from following the sun produced less-viable pollen than unfettered flowers did. Also, in maternal flowers receiving pollen, the grains germinated better if these blooms, too, were free to track the sun, according to Candace Galen of the University of Missouri in Columbia.

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