Terminalia chebula is a species of Terminalia, native to southern Asia from India and Nepal east to southwestern China (Yunnan), and south to Sri Lanka, Malaysia and Vietnam. It is a deciduous tree growing to 30-metre (98 ft) tall, with a trunk up to 1-metre (3 ft 3 in) in diameter. The leaves are alternate to subopposite in arrangement, oval, 7–8-centimetre long and 4.5–10-centimetre broad with a 1–3-centimetre petiole.
Researchers have isolated a number of glycosides from Haritaki, including the triterpenes arjunglucoside I, arjungenin, and the chebulosides I and II. Other constituents include a coumarin conjugated with gallic acids called chebulin, as well as other phenolic compounds including ellagic acid, 2,4-chebulyl-β-D-glucopyranose, chebulinic acid, gallic acid, ethyl gallate, punicalagin, terflavin A, terchebin, luteolin, and tannic acid. Chebulic acid is a phenolic acid compound isolated from the ripe fruits. Luteic acid can be isolated from the bark.