Joke Plant a.k.a Poison Joke is a ingredient used to make Totems at Zecora's Hut in the Everfree Forest and was added in the Everfree Forest update. It's color is blue, and it's shape is like a blue flower. This ingredient is usually creates standard totems, moderate totems and greater totems.
It respawns in Everfree Forest next to some of the trees and the rock path.
Up to 5 may be held at any given time. They can be bought directly at Zecora's Hut for 2 if there is not enough for your mixture.