BotanyEvergreen shrub, can adopt a climbing habit; branches up to 3 - 10 metres long
Us; medicinal
Region: east Asia, southern China, India, Sri Lanka, Bhutan, Nepal, Bangladesh, Thailand, Laos, Cambodia, Vietnam, Malaysia, Indonesia, Philippines.
Habitat: dense forests, sparse forests, shrub forests of valleys, riverbanks, field margins, roadsides; elevations of 100 - 1,900 metres.