Ipomoea aquatica seed
Kangkong, a green leafy plant with narrow or broad leaves, is native to southern china and Southeast Asia. Narrow-leaved upland kangkong and broadleaved lowland kangkong produce 5- to 6-inch leaves. Only young kangkong shoots are eaten, either steamed, sauteed in oil or canned. Since kangkong is bland on its own, spices are added to enhance its flavor. While kangkong is an important Vegetable in many Asian countries, it is not common in the United States. Kangkong is a perennial but grows year-round in tropical climates. However, growing it as an annual decreases the chance of pests and diseases