Oryza sativa, having the common name Asian cultivated rice, [2] is the much more common of the two rice species cultivated as a cereal, the other species being O. glaberrima, African rice. It was first domesticated in the Yangtze River basin in China 13,500 to 8,200 years ago.

Mar 29, 2025 · rice, (Oryza sativa), edible starchy cereal grain and the grass plant (family Poaceae) by which it is produced. Roughly one-half of the world population, including virtually all of East and Southeast Asia , is wholly dependent upon rice as a staple food; 95 percent of the world’s rice crop is eaten by humans.

It is an annual or helophyte and grows primarily in the temperate biome. It is used as animal food and a medicine, has environmental uses and social uses and for fuel and food. China North-Central, China South-Central, China Southeast.

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Oryza sativa Japonica (rice) is the staple food for 2.5 billion people. It is the grain with the second highest worldwide production after Zea mays . In addition to its agronomic importance, rice is an important model species for monocot plants and cereals such as …

Asian rice is one of only two cultivated types of rice, along with African rice (Oryza glaberrima). It is an extremely versatile plant that is used in countless dishes, medicines, cosmetics, and crafts.

Oct 29, 2014 · Asian civilization was built on rice — on Oryza sativa, to be exact. The crop, which today is the primary food source for half of the world's population, transformed nomadic hunter-gatherers...

Nov 25, 2021 · Of the Oryza species, the Oryza sativa complex is pan-tropical and has been studied in great detail for genetic lineage. This complex includes cultivated species Oryza sativa L. and Oryza glaberrima Steud; the former is commonly known as Asian rice while the latter is named African rice.

Nov 16, 2021 · This datasheet on Oryza sativa covers Identity, Overview, Associated Diseases, Pests or Pathogens, Distribution, Hosts/Species Affected, Biology & Ecology, Uses, Management, Genetics and Breeding, Economics, Further Information.

Weedy rice is highly variable and thought to originate from outcrosses to wild species (O. nivara, O. rufipogon) or as a result of outcrossing within domestic rice. It is distinguished by the key weedy traits of ready panicle shattering and variable secondary dormancy.