Rice is the seed of the grass species Oryza sativa or less commonly Oryza glaberrima. The name wild rice is usually used for species of the genera Zizania and Porteresia, both wild and domesticated, although the term may also be used for primitive or uncultivated varieties of Oryza
The rice grain grows on a rice plant, which is actually a grass. There are two species: Oryza glaberrima or Oryza sativa. The latter is the most commonly grown and known one, being grown all over the world.
