A tree that grows to a height of 30m with a girth of 2.1m. Bark is blackish with grid cracks or horizontal fissures. Stems are 7mm in diameter, regularly annulate, and conspicuously marked with leaf scars. Leaves are decussate, simple, and stipulate; stipules are 5.5–8.5cm long; blade is elliptic and 16cm × 8.7cm, 15cm × 8cm, 11.5cm × 5.3cm. Inflorescences are 4.6cm + 1.5cm + 1cm. Flowers exist in pairs on 2.5–0–5cm-long pedicels; petals are velvety outside; flower buds are 1.5cm × 4mm.
Used to remove blood from urine (bark); for the treatment of diarrhea (decoction of the bark); to stop bleeding (plant); given after childbirth to counteract infection (decoction of the leaves).
Reference
Christophe Wiart. Medicinal Plants of Asia and the Pacific, P:153-154, CRC Press, June 2006.
Premanathan, M., Nakashima, H., Kathiresan, K., Rajendran, N., and Yamamoto, N. 1996. In vitro anti-human immunodeficiency virus activity of mangrove plants. Indian J. Med. Res., 103, 278.