Hydnocarpus pentandrus

Hydnocarpus pentandrus, commonly known as the chaulmoogra tree, is a species of flowering plant in the family Achariaceae. It is native to the Indian subcontinent and Southeast Asia. The tree is notable for its seeds, which have been historically used in the treatment of leprosy.

Description

Hydnocarpus pentandrus is a medium-sized tree that can grow up to 20 meters in height. The leaves are simple, alternate, and oblong, with a glossy green appearance. The tree produces small, fragrant flowers that are white to pale yellow in color.

Flowers of Hydnocarpus pentandrus

The fruit is a large, round capsule that contains numerous seeds. These seeds are the source of chaulmoogra oil, which has been used medicinally for centuries.

Distribution and Habitat

Hydnocarpus pentandrus is found in tropical regions of India, Sri Lanka, and Southeast Asia. It typically grows in lowland forests and is often found near rivers and streams.

Uses

The seeds of Hydnocarpus pentandrus are the primary source of chaulmoogra oil, which has been used in traditional medicine to treat skin conditions, particularly leprosy. The oil contains hydnocarpic acid, which is believed to have antibacterial properties.

Historical Use in Leprosy Treatment

Dr. Isabel Kerr administering treatment

Chaulmoogra oil was one of the first effective treatments for leprosy before the advent of modern antibiotics. The oil was administered orally, topically, and by injection. Its use was documented in various leprosy colonies, such as the one in Kalawao, Molokai.

Kalawao, Molokai, a historical leprosy colony

Conservation

Due to habitat loss and overharvesting, Hydnocarpus pentandrus is considered vulnerable in some regions. Conservation efforts are focused on sustainable harvesting practices and habitat preservation.

Related Pages

• Leprosy
• Chaulmoogra oil
• Achariaceae