Ipomoea aquatica 

Ipomoea aquatica is a semi-aquatic, tropical creeping herb in the family Convolvulaceae. It is native to Assam. The Assamese common name of the herb is কলমৌ Kalmou, Kolmou. Other common names are water spinach, river spinach, water morning glory, water convolvulus, Chinese spinach, Chinese watercress, Chinese convolvulus or swamp cabbage, or kangkong. People take it as a vegetable for its tender shoots. Water morning glory is a creeping or floating aquatic herbs, its stems are hollow and nodes bear the roots. Arrangement of Leaves of Ipomoea aquatica is alternate, leaf shape is sagittate to lanceolate, apex of leaves is acute and margin of leaves is entire.  The flowers are trumpet-shaped; colour is usually white, with a purple center and solitary. Ipomoea aquatica grows in water or on moist soil. When this glabrous aquatic herb is crushed, milky Juice is come out.

Scientific classification of water spinach
Kingdom : Plantae

Order : Solanales
Family : Convolvulaceae
Genus : Ipomoea
Binomial name : Ipomoea aquatic Forssk.

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