Margosa otherwise called kohomba is a tree in the mahogany family. It grows in India and the Indian subcontinent including Nepal, Pakistan, Bangladesh and Sri Lanka. It is grown well under hot climatic conditions. Margosa trees are now grown in islands situated in the southern part of Iran. Its essence is the wellspring of Margosa oil.
Margosa is a quick developing tree that can achieve a tallness of 15–20 meters. During summer it may loose most of its leaves. The branches are wide and spreading. This tree produces white fragrant flowers. There is a belief among sri lankans when there is a Margosa tree in front of one's house with a lot of flowers it brings good luck to the house.