The stem is creeping, and after flowering, beautiful reddish purple fruits protrude from the top of the corolla (illustration). It is the only species of Japanese Gentianaceae that bears berries. A smooth perennial herb with a slender stem 20-80cm long and green or greenish purple. The stem leaves are ovate-triangular to triangular-lanceolate, with 3-5 veins, 3-8cm long, 1.5-4.5cm wide, and circular to slightly heart-shaped at the base, with short stalks. Flowers appear from August to October, with one or several in the leaf axils, and are pentamerous. The calyx lobes are needle-shaped and linear. The corolla is pale purple to bluish purple, narrow funnel-shaped, and widens toward the tip. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
茎がつる性で,花後,花冠上部から突き出た赤紫色の果実が美しい(イラスト)。日本のリンドウ科植物中,唯一の液果をつける種である。平滑な多年草で,茎は細長く20~80cm,緑色または緑紫色。茎葉は卵状三角形から三角形状披針形で,3~5脈,長さ3~8cm,幅1.5~4.5cm,基部は円形からやや心形で短柄がある。花は8~10月,葉腋(ようえき)に1~数個つき,5数性。萼裂片は針状線形。花冠は淡紫色から青紫色で,狭漏斗形,先端に向かって広がる。
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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