Children and their parents a piece to the countryside to play, often see a beautiful flowers, leaves full of thorns on the wildflowers, this time, you must not because it is beautiful and go to pick. Because its thorns are poisonous.

This wild plant with a poisonous stinger is called scorpion grass, and it has a weapon that specializes in stinging people -- the stinging hair. In addition, it contains a toxin. By combining these two defense weapons, the toxin and the stinging hairs, scorpion grass creates a more effective defense of its own. Scorpion grass leaves have many stinging hairs, who want to infringe on it, it will not hesitate to counterattack the "aggressor", and at the same time injected with anthranilic acid, acetic acid, tyrosine and other mixed venom, so that the aggressor feels like a scorpion, wasp stings as painful as unbearable. No wonder people call it scorpion grass.

If contact with the stinging hairs is extensive, it can also cause severe inflammation, and some species can even cause death in children and young animals. In the end, however, this is simply its means of self-protection, and as long as it is not violated, it is unlikely to be dangerous.