desmodium caudatum

Ohwia caudata, formerly placed in the genus Desmodium (as D. caudatum), is a deciduous nitrogen fixing plant in the family Fabaceae. It is found in India, China, Taiwan and other parts of Asia. The shrub grows to a height of about 1.5 m (4 ft 11 in) tall. It is related to Arthroclianthus, Nephrodesmus and Hanslia. The leaves and roots of the plant are used as an insecticide.