Terminalia arjuna (Arjuna Tree)
Arjuna (Terminalia arjuna) is one of the sacred trees of India which has been used on several religious occasions as well as in Ayurvedic formation since ancient times. It was introduced into Ayurveda as a treatment for heart diseases, wounds, hemorrhages and ulcers by Vagbhata (He is one of the three classic writers of Ayurveda, along with Charaka & Sushruta who wrote the Ashtanga Sangraha and the Ashtanga Hridaya Samhita). Arjuna is known by its various names such as Arjan, Dhanvi, Koha, Kahu, White Marudah, Orjun, Yerra maddi, Sadada, Indradruma, Kakubha, Karvirak and many more. 
The Bark has been used in various
Ayurvedic formulations: Arjuna is a large size deciduous tree common throughout India, especially in the sub Himalayan tracts and the Eastern India. Terminalia chebula, T. bellrica and T. ciliata are the other species of Arjuna tree found in India. Arjuna bark is rich tannins, triterpenoid saponins (arjunic acid, arjunolic acid, arjungenin, arjunglycosides), flavonoids (arjunone, arjunolone, luteolin), gallic acid, ellagic acid, oligomeric proanthocyanidins (OPCs), phytosterols (b-sitosterol), minerals such as calcium, magnesium, zinc, and copper. It has an abundance of Co-enzyme Q- 10 which helps to strengthens the 
Arjuna leaves are used to cover sores & ulcers externally
heart muscles and prevent heart diseases. In Ayurveda and the Siddha system of medicine, the plant is used in the treatment of cardiac diseases, chronic fever, Diabetes mellitus, polyurea, fractures, obesity, leucorrhoea, leprosy, worm infestation, abdominal disorders, skin disorders, and ulcers. The bark is said to be alexiteric, styptic, tonic, anthelmintic, & useful in treating anemia, asthma, tumours, leucoderma, excessive perspiration, and more. Arjuna is also useful in controlling blood pressure levels, and acts as an antidote to poisons. It is also reputed to have astringent, hypotensive, hemostatic, diuretic, prostaglandin-enhancing, coronary-risk-modulating properties, & is useful in protection against NSAID-induced gastric ulcers. Arjuna leaves are used to cover ulcers & sores externally, while its juice is used for curing earache (Otalgia). In addition, Arjuna has shown its effectiveness against the antiviraland antibacterial ailments as well. Source: HerbHealtH
