Angelica acutiloba (Sieb.et Zucc.) Kitagawa

Japanese: トウキ(当帰) - トウキ（英語表記）Angelica acutiloba (Sieb.et Zucc.) Kitagawa

A perennial plant of the Apiaceae family that grows on rocky mountain areas and is cultivated as a medicinal plant (illustration). It contains essential oils and has a unique fragrance. The branched stems are 40-90 cm tall, hairless, and often purple-brown at the base. The leaves are 1-3 times tripinnate, compound, with long, lanceolate terminal pinnae that are sharply pointed and have a glossy surface. Cut stems and leaves give off a strong fragrance. In summer, compound umbels are produced at the ends of the branches, and many small, five-petaled white flowers bloom. The fruit is elliptical, divided into two broad-winged caryopsis. There are many variations, and those that grow wild in the mountains of central Honshu and north and Hokkaido are called Miyamatouki, or Iwatetouki.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

山の岩地に生え，薬用植物として栽培もされるセリ科の多年草（イラスト）。精油を含み，特有の芳香がある。茎は分枝して高さ40～90cm，毛がなく，基部は多くが紫褐色を帯びる。葉は1～3回3出羽状複葉で，終羽片は細長い披針形で先が鋭くとがり，表面は光沢がある。茎や葉を切ると強い香りがする。夏に枝先に複散形花序を作って，小さい5弁の白い花を多数つける。果実は楕円形，広い翼のある2個の分果に分かれる。変異が多く，本州中部以北や北海道の山に自生するものはミヤマトウキ，一名イワテトウキと呼ばれる。

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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