Meyna spinosa
Meyna spinosa is a species of flowering plant in the family Rubiaceae. It has a world-wide distribution across tropical and subtropical regions mainly in E. Asia - India, Nepal, Bangladesh, Myanmar, Thailand, Cambodia, Laos, Vietnam. Its Assamese name is: কোঁটকোৰা, in Burmese it is called ဆေးမန်ကျည်းပင်.