Stock Photo - Jamun. Botanical name : Syzigium cuminii. Local Name : Jamun. Family name: Myrtaceae. Jamun or njaval. Jamun or black plum tree is native to India, Burma, Sri Lanka and the Andaman Islands. Scientifically known as Syzygium cumini, jamun is a member of the Myrtaceae family, which includes guava and rose apple. The tree blossoms in March_April with fragrant greenish white flowers in branched clusters and bears purplish_black, oval shaped edible berries in May_August. The fruits are seen in bunches of 10 to 20; round or oblong, often curved; half to 2 inches long. The berry usually turns from green to light_magenta, then dark_purple or nearly black as it ripens. The skin is thin, smooth and glossy. The fruit pulp is purple or rarely white, very juicy, and normally encloses a single, oblong, green or brown seed. The ripe fruit is widely eaten and is generally sub_acidic and slightly astringent to taste. Pune, Maharashtra, India.