Albizia odoratissima (L.f.) Benth., a member of the Fabaceae family, is a fast-growing, deciduous tree reaching 15 to 25 m (49 to 82 ft) in height, a diameter of 120–150 cm (47–59 in), and native to large parts of India (where it is known as கருவாகை, 'Kali Siris' or 'Black Siris'), Bangladesh, Bhutan, Nepal, Myanmar, Laos, Thailand, Vietnam, Sri Lanka (where it is known as 'Ceylon Rosewood') and China. It is one of the top nitrogen-fixing trees.