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Edible Portion: Leaves, Flowers, Leaf stalks, Vegetable

A herb which grows in water. The leaves form tufts. They are oval and 15-18 cm long by 12 cm wide. The leaf stalk is angular and 30 cm long. The flower head in at the end of the shoot and has a long flower stalk. There is a sheath like a membrane near the base. There are 5-10 flowers together. They are yellow.