A small evergreen perennial plant of the Cornaceae family (APG classification: Cornaceae). It is 5-15 cm tall and has a long, slender underground stem. The leaves are elliptical, with six in whorls. The flowers bloom in July and August in a terminal head in great numbers. The inflorescence has four white petal-like involucres. The drupes ripen red. The name comes from Gozenmine in Mt. Hakusan, Ishikawa Prefecture, where it was discovered, and from its red fruit, which resembles the Karatachibana of the Primulaceae family. It grows under coniferous forests in the subalpine forests from Hokkaido to Honshu, and is distributed in Karafuto (Sakhalin), the Kuril Islands, Kamchatka, the Korean Peninsula, and North America. The closely related species, Ezogozentachibana C. suecica L., does not have whorls of leaves and has purple flowers. It grows on the plains of eastern Hokkaido. Its distribution area is wider than that of the Japanese knotweed, and it also grows in Siberia and Europe. [Yuichi Kadota March 22, 2021] The leaves are elliptical, with six arranged in a whorl. The flowering season is from July to August. The inflorescence has four white petal-like involucres. ©Shogakukan Photo by Fujio Aoyama "> Gozentachibana The drupes are spherical and ripen red in autumn. The name comes from the place where it was discovered, Mt. Ozenmine in Ishikawa Prefecture, and from the red fruit, which resembles a Karatachibana. ©Shogakukan Photo by Fujio Aoyama "> Fruit of the gozentachibana Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
ミズキ科(APG分類:ミズキ科)の小形の常緑多年草。高さ5~15センチメートルで細長い地下茎がある。葉は楕円(だえん)形で6枚が輪生状につく。花は7~8月、頂生する頭状花序に多数つき、白色。花序には4枚の白い花弁状の総包片がある。核果は赤く熟す。名は、発見地の石川県白山(はくさん)の御前峰(ごぜんみね)と、サクラソウ科のカラタチバナに似た赤い果実にちなむ。北海道から本州の亜高山の針葉樹林下に生え、樺太(からふと)(サハリン)、千島、カムチャツカ、朝鮮半島、北アメリカに分布する。近縁の別種エゾゴゼンタチバナC. suecica L.は葉が輪生状とならず、花が紫色を帯びる。北海道東部の平地に生える。分布域はゴゼンタチバナよりも広く、シベリア、ヨーロッパにも分布する。 [門田裕一 2021年3月22日] 葉は楕円形で、6枚が輪生状につく。花期は7~8月。花序には4枚の白い花弁状の総包片がある©Shogakukan 撮影/青山富士夫"> ゴゼンタチバナ 核果は球形で、秋に赤く熟す。名は、発見地の石川県の御前峰と、カラタチバナに似た赤い果実にちなむ©Shogakukan 撮影/青山富士夫"> ゴゼンタチバナの果実 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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