Ipomoea aquatica(Kangkong) is a semi-aquatic, tropical plant grown as a vegetable for its tender shoots. This plant is known in English as water spinach, river spinach, water morning glory, water convolvulus, or by the more ambiguous names Chinese spinach, Chinese watercress, Chinese convolvulus or swamp cabbage, or kangkong in Southeast Asia and ong choy in Cantonese
