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The rainforests of eastern Australia are home to a stinging tree known as Dendrocnide.

The pain of the stinging tree is intense.

Climate change causes greening in the Arctic, and the peptide that gives the Giant Stinging Tree its sting.

The trees so often harm people that many of their habitats are marked by cautionary signage, warning unwary visitors to “beware the stinging tree.”

The researchers named the minute, pain-causing molecules gympietides, in homage to gympie-gympie, the word for stinging tree in the language of the Gubbi Gubbi people, a group of Indigenous Australians.