Dallisgrass

Japanese: ダリスグラス（英語表記）dallisgrass

A perennial grass of the grass family cultivated in warm regions as pasture. It is also called paspalumgrass. Its Japanese name is Shimasumenohie, and it has become naturalized in areas west of the Kanto region. It is native to South America, and was introduced to the southern United States from Uruguay or Argentina in the mid-19th century. The leaves are long and thin, about 30 cm long, and the stems grow in summer, producing ears at the end. The culms are thin, 60 to 150 cm tall, and have few leaves. The ears consist of 3 to 6 branched rachises, with 3 to 4 rows of spikelets about 3 mm in size arranged closely on one side.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

牧草として暖地に栽培されるイネ科の多年草。パスパルムグラスpaspalumgrassとも呼ぶ。和名はシマスズメノヒエで，関東地方以西で野生化もしている。原産地は南アメリカで，ウルグアイまたはアルゼンチンから，19世紀半ばにアメリカ合衆国南部に導入された。葉は細長く30cm余り，夏に茎が伸びて先に穂をつける。稈（かん）は細く，草丈60～150cm，稈につく葉は少ない。穂は，軸より分かれた3～6本の枝軸からなり，その片側に3mmほどの小穂が3～4列密に並ぶ。

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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