Water convolvulus is a semi-aquatic tropical plant grown as a leaf vegetable. It is also called water spinach, swamp cabbage, Ipomoea aquatica, water morning-glory, It is often a highlighted source of food. Can grown all season , best in the rainy season but dislikes cold weather. Matures in 25 to 40 days. This variant has a whiteish stem and is delicious.