Also known as “jumping cactus.” It does not actually jump and attach itself to you, but the segments do break off at the slightest vibration of air. You’ll be ten feet away when you feel something poking you. It really does seem like a piece jumped off the cactus to attack you.
Wow! And what an incredible evolutionary design. To break off in the wind and seek attachment. Mind you, I’ve done that a few times myself! A fabulous image.