Miscanthus sinensis Anderss.

Japanese: ススキ(芒∥薄) - ススキ（英語表記）Miscanthus sinensis Anderss.

A perennial grass of the grass family (illustration) that is counted as one of the seven autumn herbs under the name of Obana. It is commonly found in sunny mountains and fields throughout Japan, where it often grows in clusters, with dense stems and leaves, forming large plants. The stem is cylindrical, about 1m tall, somewhat thick, solid, and knotted. The leaves are linear, 30-50cm long, 6-10mm wide, gradually tapering to a point, with a thick, white midvein, and a long sheath at the base, with long hairs at the sheath opening. The inflorescence is borne at the top of the stem in autumn, in the form of a 15-30cm long corymb, with 7 to many branches (tassels) on a short central axis, and each tassel is densely covered with spikelets from its base to its tip.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

尾花の名で秋の七草の一つに数えられるイネ科の多年草（イラスト）。日本全土の日当りのよい山野に普通にみられ，群生することが多く，茎葉が密生して大株となる。茎は高さ1m前後の円柱形で，やや太く，中実で節がある。葉は長さ30～50cmの線形で，幅は6～10mm，先はしだいにとがり，中脈は太く白色で，基部は長い鞘（さや）となり，鞘口に長い毛がある。花序は秋に茎の頂につき，長さ15～30cmの散房状で，短い中軸上に7～多数の枝(総（ふさ）)をつけ，各総はその基部から先端まで小穂を密生する。

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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