The Willow-Leaved Water Croton, (Homonoia riparia), a mangrove species, belongs to the genus Excoecaria of the family Euphorbiaceae. The plant is widely distributed through South Asian and South East Asian countries such as Cambodia, China, Indonesia, Laos, Papua New Guinea, Philippines, Sri Lanka, Taiwan, Thailand and Vietnam. It is grown in wet soil near river banks and flooded plains.