Meaning of Alubukhara in English. How does Plum look like

A Plum is a small, round fruit with smooth skin. It can be red, purple, or yellow, depending on the ripeness of the fruit. Plum has sweet and soft flesh and a single, large, hard seed. Ripe plum fruits have a waxy coating that makes them have a glaucous appearance. Plums could be one of the first fruits to be cultivated by human beings. The remains of plums have been found in Neolithic age archaeological sites along with olives, grapes, and figs. 

The Scientific Name Of Plum: Prunus subg. Prunus