In Nepal we call it Sisnu, these both are from same family of Urticaceae… (stinging nettle family of plants). Pain is extremely unbearable and have a burning and stinging sensation, it’s so bad in old days law keepers used these to hurt criminals and law breakers. Nowadays people make medicines out of it as the science advanced and people found amazing properties and lot of nutritional benefits. There’s a way to cook this so the chemical that makes this damgerous disappears and gives you a tasty and nutritional food. (Don’t try this though ) It’s getting popular in there in a fancy restaurants to make the food out of it to make some sort of presentable dish. Yes it’s a common dish in some part of the country with certain cultures.