Root plant to fuel the process. In return, the plant takes nitrogen compounds produced from ammonia by the bacteria. The term root crops refers to any edible underground plant structure, but many root crops are actually stems, such as potato tubers. Edible roots include cassava, sweet potato, beet, carrot, rutabaga, turnip, parsnip, radish, yam and horseradish. Spices obtained from roots include sassafras, angelica, sarsaparilla and licorice. Sugar beet is an important source of sugar. Yam roots are a source of estrogen compounds used in birth control pills. The fish poison and insecticide rotenone is obtained from roots of "Lonchocarpus" spp. Important
Sulawesi root rat distinguished from other species by its slender body, soft gray-brown fur, small rounded ears, and long, sparsely-haired tail. Unlike most other genera of Sulawesi rats, the slender rat feeds on both plant and animal matter, which may be a possible example of evolutionary reversal. Sulawesi root rat Gracilimus radix, the Sulawesi root rat, is a species of rat in the family Muridae. It is a monotypic species, as it the only member of the genus Gracilimus. It is only known from the Mamasa Regency in Sulawesi, Indonesia, where it is endemic to the slopes of Mt. Gandangdewata in the Quarles