Acacia catechu Willd.
Vernacular Names :- Assam : Kat, Khair, Khoira, Koir ; Bengal : Khayer, Kuth ; Bombay : Khaderi, Khaira, Khera ; Central Provinces : Khair ; Ceylon : Karangall, Kashukutta, Kodalimurungai, Voadalam, Deccan : Katha, Khair, Khairbabul ; English : Black Catechu, Cutch Catechu, Pegu Catechu ; Gujrat : Kher, Kherio, Kheriobaval ; Hindi : Katha, Khair, Khairbabul, Khyar ; Sanskrit : Bahushalya, Balapatra, Balaputra, Balatanaya ; Tamil : Kadiram, Karangalli, Karungali, Kodam ; Telgu : Kasu, Khadiram, Mallasandra, Podalamanu, Sandra, Sundra.
Family :- Mimosaceae.
Distribution :- It is found throughout India.
Morphology :- Perennial tree, bark grey white to dull black. Leaves bi-pinnate ; leaflets minute, linear and sessile. Flowers white and fragrant.