A perennial plant of the Cyperaceae family found in tropical Asia, including Madagascar, Australia, and Polynesia. It grows naturally in marshes and wetlands, but is also cultivated in Guangdong Province, China. Numerous thin stalks grow from the rhizome, reaching a height of about 1 to 1.5 m. The stems have many nodes and are circular in cross section, about 5 mm in diameter. A brownish purple flower spike grows at the top of the stem. Seedlings propagated by division are transplanted into flooded rice paddies or shallow swamps for cultivation. Harvesting begins about a year after planting, and can continue for several years. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
熱帯アジアを中心にマダガスカルやオーストラリア,ポリネシアなどに広く分布するカヤツリグサ科の多年草。沼沢地などに自生するが,中国の広東省などでは栽培もみられる。根茎から細い茎が数多く伸び立ち,高さ1~1.5mほどになる。茎には節が多く,断面は直径5mmほどの円形である。茎の上部に褐紫色の花穂がつく。株分けで増やした苗を水を張った水田や浅い沼などに移植して栽培する。植付け後1年くらいたってから収穫を始め,そのまま数年間続けて収穫ができる。
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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