Opium poppy. Got mine from izmirpoppy.com 100 pods was like 200 bucks (cheaper source, anyone?) but the quality was excellent. I put the pods in a blender and ended up with maybe a half gallon of powdered pods. A handful (and I mean palm down, fingures closed, NOT palm up, hand open) made as a tea is equal (more or less) to a strong opiate pill, or several vicoden.