An annual plant of the Chenopodiaceae family. It grows in sandy areas where seawater floods during high tide. It is 15-30cm tall, lacks leaves, and has a deep green stem that turns deep red in autumn. Many branches grow from the stem, and the branches have many nodes. Three small flowers grow in each depression on either side of the internodes. In Japan, it was discovered on the Akkeshi coast of Hokkaido, where it was given this name, but it was later found to grow on the coast of Shikoku as well. It is also known as Yachisango and Hamamatsu. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
アカザ科の一年草。満潮時に海水がさしてくるような砂地に生育する。高さ 15~30cm,葉を欠き,茎は深緑色であるが秋には濃い赤色になる。茎からは多くの枝が対生し,その枝には多数の節を生じる。節間の両側にあるくぼみに3つずつ小花をつける。日本では北海道厚岸海岸で発見されこの名がついたが,のちに四国の海岸でも産することが知られた。ヤチサンゴ,ハママツの別名もある。
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