Impatiens textori Miq.

Japanese: ツリフネソウ(釣舟草) - ツリフネソウ（英語表記）Impatiens textori Miq.

An annual plant of the Balsaminaceae family that grows in mountain wetlands (illustration). The flowers are boat-shaped and hang down from the end of the pedicel, and when the ripe fruit is touched, it suddenly bursts open and scatters seeds. The genus name Impatiens means "unbearable." It is distributed throughout Japan, as well as Korea and northeastern China. The stems are 50-80 cm tall, well-branched, and have swollen nodes. The leaves are alternate, with petioles 1-4.5 cm long and ovate blades 6-14 cm long and circularly serrated. The inflorescence is racemose, emerging from the upper leaf axils, and has prominent thick glandular hairs.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

山間の湿地に生えるツリフネソウ科の一年草（イラスト）。花は舟形で花柄の先にぶら下がって咲き，熟した果実はふれると急にはじけて種子を飛ばす。属名のImpatiensは〈がまんできない〉という意味。日本全国のほか朝鮮や中国東北部にも分布する。茎は高さ50～80cm，よく分枝し，節はふくれる。葉は互生し，葉柄は長さ1～4.5cm，葉身は卵形で長さ6～14cm，円鋸歯がある。花序は総状，上部の葉腋（ようえき）から出，太い腺毛が目だつ。

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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