Ipomoea Aquatica Forsk.
Flowers are white or pink and leaves are arrow-shaped and stem hollow.
At least two varieties are cultivated. It also occurs wild. The other variety is the dryland form, known as Kangkong Puteh, grown from seeds as are other vegetables except it requites plenty of water. It is of more slender habit and considered more superior. Water spinach or Kangkong Water spinach probably originated in India and has been distributed throughout the tropics of the world since.