Turmeric (Curcuma longa) is a rhizomatous herbaceous perennial plant of the ginger family, Zingiberaceae. It is native to tropical South Asia and needs temperatures between 20°C and 30°C, and a considerable amount of annual rainfall to thrive (Materia Indica, 1826, Whitelaw Ainslie, M.D. M.R.A.S., via Google Books). Plants are gathered annually for their rhizomes, and re-seeded from some of those rhizomes in the following season.
Turmeric is found everywhere and grows wild in the forests of Malaysia. and Indonesia It has become the key ingredient for many Malay dishes, not only in curry, but also in masak lemak, rendang, and many more.
In medicinal uses, turmeric has a good deal with our health. It could cure Alzheimer's disease, cancer, arthritis, and liver disorders.
Turmeric is also used in cosmetics. Turmeric is currently used in the formulation of some sunscreens. Turmeric paste is used by some Indian women to keep them free of superfluous hair. Turmeric paste is applied to bride and groom before marriage in some places of India, Bangladesh, and Pakistan, where it is believed turmeric gives glow to skin and keeps some harmful bacteria away from the body.