A perennial plant of the Asteraceae family that grows in the shade of trees in mountainous areas (illustration). The name means a polar bear with leaves that resemble maples. Polar bear refers to the hair from a yak's tail, which is used to decorate flags, spears, helmets, etc. The way the flowers bloom is likened to a polar bear. The underground stems are 40-80cm long, and several long-stalked leaves grow in a slightly whorled pattern in the middle of the stem. The leaf blades are cordate and palmately shallowly to medially lobed. Flowering season is August to October. Numerous flower heads grow in spikes. The pappus is feathery. It is found from the Korean Peninsula to northern Kyushu (Tsushima), but in Honshu, species with shallowly lobed leaves are found, and are called Okumomijihaguma A. acerifolia var. subapoda Nakai. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
山地の木陰に生えるキク科の多年草(イラスト)。モミジに似た葉をつけたハグマの意である。ハグマ(白熊)はヤクの尾の毛のことで,旗,槍,冑などの装飾用である。花が咲くようすをその白熊にみたてたものである。地下茎ははい,茎は40~80cm,長い柄のある葉を茎の中ほどに数枚,やや輪生状につける。葉身は円心形で,掌状に浅~中裂している。花期は8~10月。多数の頭花を穂状につける。冠毛は羽毛状。朝鮮半島から九州北部(対馬)にあるが,本州には葉の切れ込みの浅いものがみられ,オクモミジハグマA.acerifolia var.subapoda Nakaiと呼ばれている。
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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