“Jumpin’ Yuccy”

https://archive.org/details/sim_scientific-monthly_1952-10_75_4/page/250/mode/2up

The Scientific Monthly reported a startling discovery in October 1952: the Schuss-yucca, a rare desert plant whose stalk could grow 10 feet in 2 minutes.

Readers’ letters generally joined in the spirit of the hoax — including one that mentioned a boxer who “stopped hiking long enough to inspect a yucca at just the wrong time.”

The plant shot up 16 feet at that moment, dealing him an uppercut that ended his career. “All he would say of the unfortunate incident was ‘Any time a goddam bush can lay me out cold, I know prizefighting ain’t for me.'”