Plum's are named plum because of there color tone of always having the color PlumPlant of them. The most common ones are shown above, There are two types of plums, one has the eye on the middle part and mouths on the triangles and the other and eyes on the triangles and a mouth on the middle part, the rarest type of plum you can find is one that is shaped like a triangle with the triangle parts floating around it, and its all green and the top of the triangle is pointing up. More info later