Tristyly: A most complex marriage arrangement
Charles Darwin described it as the most complex mating system in the natural world. Famed statistician Ronald Fisher was fascinated by it. And this episode\u2019s interviewees braved 40 \xb0C heat and caimans to unravel some of its mysteries. What is it? Tristyly \u2014 a rare and mysterious plant mating system. Tune in to hear what Dr Nicolay Cunha and Prof. Spencer Barrett learnt about this system from the pickerel weeds of Brazil\u2019s Pantanal.
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