Oryza perennis

Japanese: オリザ・ペレニス - おりざぺれにす
Oryza perennis

...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

Japanese:

…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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