If you're a Japanese climbing fern, your sex may be up to those living around you. That's thanks to communication between the plants involving a pheromone called gibberellin, Vox reports.
Early-maturing plants, which tend to become female, start developing the pheromone, but they don't finish. Instead, these plants send the chemical into the forest floor, where nearby plants can absorb it, Nature reports.
When these less-mature plants pick up the chemical, they finish the process of making gibberellin. Higher amounts of gibberellin tend to lead to male plants. In short, the older plants have caused their neighbors to turn male.
This article originally appeared on Newser: Female Ferns Can Turn Their Neighbors MaleMore From Newser
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