Tetrastigma leucostaphylumTetrastigma leucostaphylum, the Indian chestnut vine, is a flowering plant in the family Vitaceae. It is native to Sri Lanka, India, Nepal and South East Asia.EcologyRelationship with RafflesiaIn Sumatra, Tetrastigma leucostaphylum serves as host for the world's largest flower, the parasitic plant Rafflesia arnoldii. In Rafflesia Forest Reserve in Borneo, Tetrastigma leucostaphylum hosts Rafflesia pricei.