
• (n.) The Java plum; also, a drug obtained from its bark and seeds, used as a remedy for diabetes.
Found on
http://thinkexist.com/dictionary/meaning/jambul/

Jambul trees start flowering from March to April. The flowers of jambul are aromatic and small, about five mm in diameter. The fruits are produced by May or June and resemble large berries. The fruit is rectangular, ovoid, starts green and turns pink to shining crimson black as it matures.
Found on
http://www.fruitsinfo.com/glossary-j.htm
No exact match found.