A perennial plant of the ginger family with fragrant white flowers (illustration). A pseudostem with overlapping petioles 1-2 m tall emerges from a branched underground stem, and the leaves grow alternately in two rows. The leaf blade is oblong to oblong, hairy, and 30-60 cm long. The inflorescence emerges from the apex of the stem and forms a raceme, surrounded by numerous green, boat-shaped bracts. The flower has a long tube of about 10 cm, with broad linear tepals and a large, conspicuous white lip that opens flat. It blooms year-round in the tropics and from summer to early autumn in Japan. It is believed to have originated somewhere from India to the Indochina Peninsula, but is now widely cultivated for cut flowers and as an ornamental plant. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
芳香のある白い花をつけるショウガ科の多年草(イラスト)。分枝した地下茎から高さ1~2mの葉柄のまき重なった偽茎を出し,葉を2列に互生する。葉身は長卵形~長楕円形で有毛,長さ30~60cm。花序は茎頂から出て総状の花序をなし,緑色舟形の多数の苞につつまれる。花は約10cm近い長い花筒部を有し,広線形の花被片と白色で目だつ大きな平開する唇弁を有している。熱帯では周年,日本では夏から初秋にかけて咲く。原産地はインドからインドシナ半島のどこかであろうが,現在は切花や観賞用に広く栽培されている。
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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