Willughbeia edulis

Willughbeia edulis is a vine species bearing tropical fruit in the dogbane family: Apocynaceae. It is a yellow sour edible fruit found in: India, Indo-China (Cambodia, Myanmar, and Chanthaburi Province of Thailand and Vietnam) and Peninsular Malaysia. It may be known under a number of synonyms including 'Willughbeia cochinchinensis'. The roots can be used as a red dye and it may be used medicinally in parts of Asia including Cambodia. Local names include: kuy in Cambodia, gedraphol, laleng-tenga, bel-tata in India, dton-kuy (ต้นคุย), kuiton (เถาคุย), kreua (เครือ) and katong-katiew (กะตังกะติ้ว) in Thai, talaing-no in Myanmar and guồi in Vietnamese. Kubal madu in Indonesia refers to a similar edible relative, W. sarawacensis.