Sesbania bispinosa

The legume Sesbania bispinosa, also known as Sesbania aculeata (Willd.) Pers., is a small tree in the genus Sesbania. The flower is the provincial flower of Phra Nakhon Si Ayutthaya Province, Thailand.It is called dhaincha in hindi The name Sesbania is taken from its Arabic name Siesaban 'سيسبان'. It is known by many common names, including danchi, dunchi, dhaincha, canicha, prickly sesban, ''Jantar'' or spiny sesbania. In Vietnam, it is called điên điển gai or điền thanh gai, In Cambodia, it is called ស្នោ. It is native to Asia and North Africa, is most common in tropical Africa where it grows as a common noxious weed, and has been introduced to the Americas. It can grow on saline soil. S. bispinosa is adapted to wet, heavy soil but apparently adapts easily to drought-prone or sandy regions. It is cultivated widely in India and it is grown in rice paddies in Vietnam for use as firewood. It is an annual shrub which can grow to seven metres in height but usually only reaches one to two metres. It sends out fibrous, pithy stems with long leaves and bears purple-spotted yellow flowers. It produces pods which contain light brown beans.