The hills of Manipur are covered with dense evergreen forests. Several varieties of flora are available in Manipur. The vegetation is luxuriant. The vegetation of Jiribam and flat Central Valley is much like the vegetation in Moreh area. Most of the flora resemble with that of Assam. Some of the vegetation of north-eastern region is similar to that of Bhutan and some plants of south-eastern region are like those of Upper Burma. Rhododendron, cotton, cane, bamboo, cactus, wild flowering plant, famous orchids, lotus, water lilies, etc grow here. Rice, cotton, maize, wheat, millet, mustard, potato, til, Matikalai dal, etc are grown in the plains. Pineapple, jack fruit, sugarcane, mango, orange, banana, plantains, peas, apples, guava, chillies, cabbages, pumpkin, sweet potato, potato, betal leaves are also grown in abundance. Tobacco is also cultivated as common garden crop. Carthoammus tinctorius was once widely cultivated to dye the cloths and yarns.