Rice - Gyobei

…[Morita Tatsuyoshi] In China, it is written as poppy or poppy millet. The name comes from the fact that its fruit resembles a poppy (jar) and its seeds resemble millet (millet). It also has other names such as elephant grain, rice sack, rice, and sack, which are said to be due to the fact that its fruit resembles a rice sack and its seeds resemble rice. None of these names appear in documents from the Six Dynasties, but they do appear in the Tang Dynasty's Kaibao Bencao and Chenzouki, so it is thought that poppy was introduced from India to China around the 7th or 8th century. …

*Some of the terminology that refers to "Gomai" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…【森田 竜義】　中国では罌粟，あるいは罌子粟とも書く。名の由来は，実が罌（かめ）に，種が粟（あわ）に似るためで，また別に象穀，米囊，御米あるいは囊子などの異名があるのは，実が米俵に，種が米に似るからだといわれる。これらの名称はいずれも六朝の文献にはみえず，唐の《開宝本草》や《陳蔵器》にみえるので，罌粟は7～8世紀ころにインドから中国に伝えられたと考えられる。…

※「御米」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