Technically more of a shrub than a tree, the Gympie-Gympie's foliage is covered in tiny hairs which, upon contact with human skin, deliver a sting that can remain blindingly painful for up to several months -- or, if you're unlucky, over a year. One scientist (who was wearing welding gloves when she got stung) compared the sensation to "being burnt with hot acid and electrocuted at the same time." So not only is this the most painful tree known to man, it's also the kinkiest.
Maybe it's just me but I really don't think Cracked would be turning a scientist being injured badly enough to be hospitalized into some sort of sex thing if the scientist wasn't also a woman. Yeah, I know it's a joke, but it's a joke they probably wouldn't make if a man was physically tortured by a plant. I just can't imagine that if Neil Degrasse Tyson complained about being hurt by a plant Cracked's response would be "this plant is kinky." They didn't even name the scientist. Her name is Dr Marina Hurley.
Shit like this wouldn't bother me as much if Cracked wasn't constantly moralizing about feminism. Because some video games have boobs in them.
To nobody's surprise, this plant, which kills dogs and horses, resides in Australia. #YesAllAustralias