Wijayasinghe LSG, Dissanayake DMHDB, Priyadarshan AIS, Perera PK. Ethno medicinal survey on identification of different varities and usage of Ipomeaspp. (Tel Kola) in Kuliyapitiya region, Kurunegaladistrict in Sri Lanka. 1st National Symposium on Sri Lankan Traditional Medicine, 28-29 June 2014, Institute of Indigenous Medicine, University of Colombo, Sri Lanka.