1. A tropical American tree (Hippomane mancinella) having poisonous fruit and a milky sap that causes skin blisters on contact.

• 毒番石榴：热带美洲产的一种乔木（马疯木），长有有毒的果实，树的奶状液汁接触人的皮肤可以使皮肤起水泡