Swiss chard (Beta vulgaris var. cicla)

Japanese: フダンソウ(不断草) - フダンソウ（英語表記）Beta vulgaris var. cicla

A biennial plant of the Chenopodiaceae family. It is also called 'Toujisha'. Native to southern Europe, it was introduced to Japan via China in ancient times, and is now a type of vegetable that is widely cultivated in fields. It is thought to have come from the same original species as sugar beet, but its roots do not grow thick. The above-ground part produces basal leaves with long stalks, and the leaf surface is long and oval, about 20 cm long, with thick leaves and wavy edges. In early summer, the flower stalk extends to about 1 m and produces small yellow-green flowers similar to spinach, layered in several tiers.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

アカザ科の越年草。トウヂシャともいう。ヨーロッパ南部の原産で，古い時代に中国を経て日本に伝えられ，現在では畑で広く栽培される野菜の一種。サトウダイコン (砂糖大根)と同じ原種から出たと考えられているが根は太くならない。地上部は柄の長い根生葉を生じ，葉面は長さ 20cmほどの長卵形で，葉質は厚く縁は波のようにうねる。初夏に，花茎を 1mほども伸ばしホウレンソウに似た小さな黄緑色の花を何段にも重ねてつける。

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