Medusa part of their religion. Medusa was beheaded by the hero Perseus, who thereafter used her head, which retained its ability to turn onlookers to stone, as a weapon until he gave it to the goddess Athena to place on her shield. In classical antiquity the image of the head of Medusa appeared in the evil-averting device known as the "Gorgoneion". The three Gorgon sisters—Medusa, Stheno, and Euryale—were all children of the ancient marine deities Phorcys (or "Phorkys") and his sister Ceto (or "Keto"), chthonic monsters from an archaic world. Their genealogy is shared with other sisters, the Graeae, as in
Euryale ferox are submerged. In India, "Euryale" normally grows in ponds, wetlands etc. Recently the Indian Council of Agricultural Research have developed a technique for the field cultivation of "Euryale". It is eaten in Manipur. It is cooked along with "Allium tuberosum", garlic chives, Oriental garlic, Asian chives, Chinese chives, Chinese leek, bori etc. In Manipur, "E. ferox" is a local delicacy. The plant produces starchy white seeds that are edible. The plant is cultivated for its seeds in lowland ponds in India, China, and Japan. The Chinese have cultivated the plant for over 3000 years. More than 96,000 hectares of Bihar,