Oryza sativa Mountains of northern Luzon, Philippines. Glaszmann (1987) used isozymes to sort "O. sativa" into six groups: "japonica", "aromatic", "indica", "aus", "rayada", and "ashina". Garris "et al." (2004) used simple sequence repeats to sort "O. sativa" into five groups: "temperate japonica", "tropical japonica" and "aromatic" comprise the "japonica" varieties, while "indica" and "aus" comprise the "indica" varieties. Rice has been cultivated since ancient times and "oryza" is a classical Latin word for rice. "Sativa" means "cultivated". Debates on the origins of the domesticated rice are numerous. In 2011, genetic evidence showed that all forms of Asian rice, both "indica" and "japonica",
Cannabis sativa Cannabis sativa Cannabis sativa is an annual herbaceous flowering plant indigenous to eastern Asia but now of cosmopolitan distribution due to widespread cultivation. It has been cultivated throughout recorded history, used as a source of industrial fiber, seed oil, food, recreation, religious and spiritual moods and medicine. Each part of the plant is harvested differently, depending on the purpose of its use. The species was first classified by Carl Linnaeus in 1753. The flowers of "Cannabis sativa" are unisexual and plants are most often either male or female. It is a short-day flowering plant, with staminate (male) plants usually taller