Turtle seed (geranium grain), also known as tart turtle head, stone fruit, cup fruit, belongs to the beech family. Turtle head is native to India Babnadu, because of its shape like a turtle head, so it gets this name. Its nature like high temperature and sunny place, no flowers, every three years to bear a fruit, in the fruit ripening late, must be in the high temperature of 30 degrees after 100 days before picking, is the "India God oil" the main raw material, and its nature of warmth, good complement. Tibetans often use this thing plus cattle bone stew, drink this soup body warm, can only wear felt clothing in the snow and ice overnight