Subcylindrical or conical, slightly tortuous, 6-20 cm long, 0.5-2 cm in diameter. Externally yellowish-brown or brown, irregularly and longitudinally wrinkled or furrowed, bark easily exfoliated, the exposed wood yellow, some exhibiting reticulate fissures and cracks, usually with decayed depressed holes near root stock. Root stock slightly swollen, white-tomentose, some showing sheathlike pedicel bases. Texture hard and, fracture yellowish-white or pale yellowish-brown in bark and pale yellow in wood. Odour, slight; taste, slightly bitter and astringent.