kangkong

English: Translation
Water spinach, swamp morning glory, Chinese water spinach; a semi-aquatic tropical herbaceous vine (Ipomoea aquatica, family Convolvulaceae) with hollow floating stems, arrowhead-shaped leaves, and white to purple funnel-shaped flowers, native to southern Asia and widely cultivated throughout Southeast Asia as a leafy green vegetable.
Scientific Name
Ipomoea aquatica, family Convolvulaceae
Notes

The young shoots and leaves of this plant, used as food — usually stir-fried, steamed, or added to soups. Adobong kangkong is a popular Filipino dish.

Usage note: Considered a federal noxious weed in the U.S. and restricted in several states, but legally cultivated as a crop in parts of Asia, Africa, and under permit in some U.S. states.