...Various theories have been proposed for the classification of the Oryza genus since ancient times, but the most widely accepted view is that it is divided into four sections, Oryzae , Ridleyanae , Granulatae , and Schlechterianae , based on the number of chromosomes and genome analysis. Cultivated species are considered to have evolved from O. perennis , a wild rice species belonging to the Oryzae section. However, in some areas of West Africa, O. glaberrima , which is thought to have originated from O. breviligulata , another wild rice species belonging to the Oryzae section, is cultivated, and when distinguishing it from O. sativa , the usual cultivated rice, is called Asian rice. ... *Some of the terminology that mentions "Oryza perennis" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…イネ属の分類に関しては古くから諸説が提出されているが,染色体数やゲノム分析により,Oryzae節,Ridleyanae節,Granulatae節およびSchlechterianae節の4節に分ける見方が有力である。このうち,Oryzae節に属する野生稲の1種オリザ・ペレニスO.perennisから栽培種が分化したとみなされている。ただし西アフリカの一部の地域では,Oryzae節に属する別の野生稲オリザ・ブレビリギュラータO.breviligulataから起源したとされるアフリカイネO.glaberrimaが栽培されており,これと区別する場合には,通常の栽培稲O.sativaをアジアイネと呼ぶ。… ※「オリザ・ペレニス」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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