This biennial plant of the Gentianaceae family is widely distributed in the temperate zones of Asia and Europe. It grows naturally in sunny mountainous areas. The stem is erect, has four ridges, and reaches a height of 10-60 cm. The leaves are opposite, oblong, 2-6 cm long, and stalkless. In August and September, short flower stalks grow from the leaf axils and produce numerous pale yellow-green flowers. The calyx is green and divided into four pieces, and the lobes are linear. The corolla is deeply divided into four lobes, 6-10 mm long, with 3-7 mm spurs at the base of the lobes. After flowering, a lanceolate capsule measuring just under 1 cm long is produced. The Japanese name comes from the four long spurs that open out on all four sides, which resemble anchors. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
リンドウ科の越年草で,アジア,ヨーロッパの温帯に広い分布をもつ。山地の陽地に自生する。茎は直立して4稜線があり,高さ 10~60cmに達する。葉は対生し長さ2~6cmの長楕円形で柄はない。8~9月,葉腋から短い花柄を伸ばし,淡黄緑色の多数の花をつける。萼は緑色で4片に分れ,裂片は線形をしている。花冠は4深裂し,長さ6~10mmで裂片の基部に長さ3~7mmの距がある。花後に長さ 1cm弱の披針形の 蒴果ができる。和名は四方に開出する4個の長い距を碇 (いかり) に見立てたものである。
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