A genus of perennial plants in the Solanaceae family, with about 30 species known in tropical and subtropical America, some of which are cultivated for ornamental purposes. N. frutescens is 30-90 cm tall, slightly upright, shrubby and finely branched. The leaves are linear and about 2.5 cm long. The flowers bloom from June to autumn, and when they open, they are dish-shaped with a short tube that is white with a blue tinge and a yellow border with the tube. N. repens has thin, creeping stems, and the flowers are broad bell-shaped, 2.5-3 cm in diameter, milky white, sometimes pink or blue, with a golden border with the tube, and are fragrant. N. gracilis is also sometimes cultivated for ornamental purposes. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ナス科の多年草の1属で,熱帯,亜熱帯アメリカに約 30種ほど知られ,観賞用に栽培されるものもある。アマダマシ (アマモドキ) N. frutescensは高さ 30~90cm,やや直生し低木状で細かく分枝する。葉は線形で長さ約 2.5cm。花は6月頃から秋にかけて咲き,開くと皿状で筒部は短く,白色で青色を帯び,筒部との境は黄色である。ギンパイソウ (銀盃草) N. repensは茎が細く地をはい,花は広鐘形で径 2.5~3cm,乳白色でときにピンクや青色を帯び,筒部との境は黄金色で,芳香がある。このほかヒメアマダマシ N. gracilisも観賞用に栽培されることがある。
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