Here are extracts from Wikipedia Link:http://en.wikipedia.org/wiki/Terminalia_arjuna
Terminalia arjuna is a medicinal plant of the genus Terminalia, widely praised & used by Ayurvedic physicians for its curative properties in organic/functional heart problems like angina, hypertension, deposits in arteries etc. According to Ayurvedic texts it also very useful in the treatment of any sort of pain due a fall, ecchymosis of all types, spermatorrhoea & sexually transmitted diseases like gonorrhoea.Arjuna Bark (Terminallia arjuna) is thought to be beneficial for the heart. This has also been proved in a research by Dr.K.N.Udupa in Banaras Hindu University's Institute of Medical Sciences , Varanasi (India). In this research, they found that powdered extract of the above drug provided very good results to the people suffering from Coronary heart diseases.
Here are details & links from Indiantreepix Database:
||Arjun or Arjan
||13/4/07 in Kolkata- J.M.Garg