A small perennial plant of the Acanthaceae family. The genus has diversified mainly in tropical Malaysia, and about 100 species are known. The stem crawls along the ground, roots from the nodes, and is 10-15 cm long. The leaves are egg-shaped broad elliptical or circular, 1-2 cm long and wide, and have coarse hairs on both sides. Two to three pairs of flowers are gathered in a head at the end of the stem. The corolla is funnel-shaped, white, about 15 mm long, and has five equal lobes at the tip. There are two rows of hairs on the inner back of the corolla to support the style. There are four stamens, two of which are short. The fruit is a linear-lanceolate capsule containing 8-10 seeds. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
キツネノマゴ科の小型多年草。同属のものはマレーシア熱帯を中心に分化しており,100種ほどが知られている。茎は地をはい,節から根を出し,長さ10~15cm。葉は卵状広楕円形ないし円形で長さ幅とも1~2cm,両面に粗毛がある。花は2~3対が茎の先に頭状に集まる。花冠は漏斗状,白色で長さ約15mm,先端は等しく5裂する。花冠内側背面に2列の毛があり花柱を支持する。おしべは4本,うち2本は短い。果実は線状披針形の蒴果(さくか)で8~10個の種子をつける。
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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