Sanicula

...A perennial plant of the Umbelliferae family that grows in the shade of trees in the mountains (illustration). It is large, similar to Mitsuba, and is called Umanomitsuba or Onimitsuba because it has no fragrance. The stem grows to a height of 40-90cm and branches at the top. It is almost hairless. The leaves at the base are 3-5 lobed and have long stalks, while those at the top of the stem are 3 lobed and have short petioles. From July to September, it produces small umbels at the ends of the branches and bears small white flowers. There are male and bisexual flowers; male flowers have short stalks and grow around the inflorescence, while bisexual flowers have no stalk and are in the center. ...

*Some of the terminology explanations that mention "Sanicula" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…山の木陰に生えるセリ科の多年草（イラスト）。ミツバに似て大きく，香りがないところからウマノミツバまたはオニミツバという。茎は高さ40～90cmになり，上部で分枝する。全体にほとんど毛がない。葉は基部のものは3～5裂して長い柄があり，茎の上部のものは3裂して葉柄が短い。7～9月ごろ，枝先に小型の散形花序を作って小さい白い花をつける。花は雄花と両性花があり，雄花は短い柄があって花序のまわりに，両性花は柄がなく，中心にある。…

※「Sanicula」について言及している用語解説の一部を掲載しています。

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