Bark, root, leaf and fruit. A large tree with spreading branches and white bark. Leaves subopposite, ovate, coriaccous.
Flowers sessile yellowish in short axillary spikes, bracteoles minute.
The water soluble portion of alcoholic extract of T. arjuna bark was tested on perfused frog heart preparation. These extracts also inhibited carotid occlusion response. Arjuna bark is popularly used as a cardiac tonic. The commonly prescribed doses are well tolerated. Indian Medicinal Plants.