Wadan - Wadan

Japanese: ワダン - わだん
Wadan - Wadan

A perennial plant of the Asteraceae family. The stem is thick and short, with basal leaves growing in clusters at the tip. The basal leaves are obovate with rounded tips, about 15 cm long, entire, thick and soft. The petioles are thick and 5 mm in diameter. From September to November, the branches grow diagonally upward from the axils of the basal leaves, reaching a height of about 50 cm, and produce dense inflorescences. The flower heads are yellow and 1 cm in diameter. They grow on coastal rocks, distributed from the southern Kanto region to the Tokaido and the Izu Seven Islands. The name is said to be a variation of "wata (sea) vegetable." The closely related Hosoba wadan has thinner basal leaves.

[Tatsuyoshi Morita]

[Reference] | Hosoba Wadan

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

キク科の多年草。茎は太くて短く、先端に根出葉を叢生(そうせい)する。根出葉は倒卵形で先は丸く、長さ約15センチメートル、全縁で質は厚く、柔らかい。葉柄は太く、径5ミリメートル。9~11月、根出葉の腋(えき)から枝を斜上して、高さ約50センチメートルになり、密な花序をつける。頭花は黄色で、径1センチメートル。海岸の岩場に生え、関東地方南部から東海道、伊豆七島に分布する。名は、「ワタ(海)の菜」が転じたものといわれる。近縁のホソバワダンは、根出葉がより細い種類である。

[森田龍義]

[参照項目] | ホソバワダン

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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