A dicotyledonous perennial plant of the Nolanaceae family (illustration). It is planted in flower beds for decorative purposes. It has a taproot, and the stem is slightly upright at the central axis, grows to about 30 cm in height, and the branches are creeping, sometimes spreading to about 1 m. The leaves are slightly fleshy and have petioles, alternate or opposite, and the leaf blade is ovate or ovate-oblong and entire. From the axils, pedicels of about the same length as the leaves emerge, and the flowers are terminal. The flowers are blue-purple, trumpet-shaped, gamopetalous, about 3 to 6 cm in diameter, with a white center of the corolla and a yellow center, creating a vivid color contrast. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
双子葉植物,ノラナ科の多年草(イラスト)。観賞用に花壇などで植栽される。直根状の根があり,茎は中軸のものはやや直立し,高さ30cmほどになり,分枝は匍匐(ほふく)し,ときには1mほどに広がる。葉はやや多肉質で葉柄があり,互生あるいは対生状につき,葉身は卵状あるいは卵状長楕円形で全縁。葉腋(ようえき)から,葉とほぼ同長の花梗を出し,花を頂生する。花は青紫色,直径約3~6cmほどのらっぱ状の合弁花で,花冠の中央部は白く,さらに中心部は黄色で,色彩の対比が鮮麗である。
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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