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Rice can come in many shapes, colours and sizes. This is a list of rice cultivars, also known as rice varieties.There are several species of grain called rice. [1] Asian rice (Oryza sativa) is most widely known and most widely grown, with two major subspecies (indica and japonica) and over 40,000 varieties. [2]
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.
Japonica rice (Oryza sativa subsp. japonica), sometimes called sinica rice, is one of the two major domestic types of Asian rice varieties. Japonica rice is extensively cultivated and consumed in East Asia, whereas in most other regions indica rice is the dominant type of rice. Japonica rice originated from Central China, where it was first ...
Rice is a commonly-eaten food around the world. The varieties of rice are typically classified as short-, medium-, and long-grained. Oryza sativa indica varieties are usually long-grained; Oryza sativa japonica varieties are usually short- or medium-grained. Short-grain rice, with the exception of Spanish Bomba, is usually sticky when cooked ...
The main variants of rice produced and grown in China encapsulates wild rice species of O. Mereriana, O. Officinalis, and O. Rufipogon and the main Chinese cultivated rice varieties are indica and japonica subspecies, [6] with ongoing developments of rice breeding in hybrid rice established by the Ministry of Agriculture in China.
Two other varieties of rice are worth mentioning in the healthiest category. First, black rice — also known as forbidden rice — is a whole grain rice with Chinese origins.
[3] Zailai rice cultivars can be sub-divided into soft (e.g. "Taichung Sen No. 10") [4] and hard (e.g. "Taichung Sen No. 17") indica rice varieties. [5] [3] Zailai rice cultivation in Taiwan began in the 17th century during the Dutch Formosa period, when the Dutch introduced indica rice and water buffalo to the island; the Hokkien immigrants ...
This means when a field where rice is growing floods, accelerated growth in the internodal of the stem allows the plant to keep some of its foliage on top of the water. The O. s. indica cultivar is the main type of deepwater rice, although varieties of O. s. japonica have been found in Burma and Assam Plains. [3] [4]