Pongamia pinnata

Pongamia pinnata, commonly known as Indian beech or Karanja in Sinhala, is a large, fast-growing tree native to Sri Lanka and other tropical regions of Asia. This deciduous tree is highly valued for its medicinal, ecological, and industrial uses.

The plant contains several bioactive compounds, including flavonoids, alkaloids, and oils, which are recognized for their anti-inflammatory, anti-diabetic, and hepatoprotective properties. The seeds of Pongamia pinnata are commonly used to produce oil, which has applications in traditional medicine, as a biofuel, and in the cosmetics industry. The bark and leaves of the tree are also used in Ayurvedic remedies for skin conditions, joint pain, and wounds.

Pongamia pinnata is often found in coastal areas, riverbanks, and rural gardens across Sri Lanka. It is a hardy species that thrives in tropical climates, especially in regions with well-drained soil. The tree’s distinctively fragrant flowers, which range from white to pinkish, make it easily recognizable.

In addition to its medicinal value, Pongamia pinnata plays an important role in the local ecosystem. Its deep root system helps prevent soil erosion, while its nitrogen-fixing ability improves soil fertility, making it an excellent tree for reforestation and agroforestry projects. This versatile tree continues to be an integral part of Sri Lanka’s natural and cultural heritage.