Yoshi (reed grass) - Yoshi (English spelling) reed grass

Japanese: ヨシ(蘆∥葭∥葦) - ヨシ（英語表記）reed grass

A perennial grass (illustration) that grows in colonies in wetlands everywhere. The long underground rhizomes spread out vertically and horizontally, and the upright stems grow to 1-3m in height, cylindrical and with many nodes. The leaves are narrow, lanceolate, somewhat hard, grayish-green, pointed at the tip, and drooping at the top. From summer to autumn, a large panicle up to 40cm long is produced at the top of the stem, and the upper part of the panicle and many long branches point slightly downward. The spikelets grow densely on the branchlets, are pale brown, 10-17mm long, and contain 2-4 florets. The lowest floret is male, the others are female, and are covered with long white hairs.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

いたるところの水湿地に群生するイネ科の多年草（イラスト）。地下に長くはった根茎を縦横に出し，茎は直立して高さ1～3mになり，円柱形で多数の節がある。葉は茎の節につき，幅の狭い披針形で，やや硬く，灰白色を帯びた緑色で，先がとがり，上部は垂れる。夏から秋にかけて茎の頂に長さ40cmに及ぶ大型の円錐花序を抽出し，その上部と多数の長い枝はやや下向きになる。小穂は小枝上に多く密生し，淡い褐色で，長さは10～17mm，2～4個の小花が有り，最下の小花は雄性，他は雌性で，長い白い毛が生えている。

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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