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わが国の本州、三重県志摩半島の固有種です。「おとめあおい(乙女葵)」を基本種とする亜種です。山地の林床に生え、高さは5〜10センチになります。葉は卵形から卵状楕円形で、基部は心形、しばしば雲紋状の斑が入ります。10月から11月ごろ、暗紫色から淡紫色の花を咲かせます。花弁はなく、萼筒の先端が3裂して平開します。雌しべは6個、雄しべが12個あります。
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ウマノスズクサ科カンアオイ属の多年草で、学名は Asarum savatieri ssp. pseudosavatieri var. isenum (syn. Heterotropa savatieri ssp. pseudosavatieri var. isenum)。英名はありません。
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The "Iseno-kan-aoi" (Asarum savatieri ssp. pseudosavatieri var. isenum) belongs to Aristolochiaceae (the Birthwort family). It is a perennial herb that is endemic to the Shima Peninsula of Mie Prefecture of Honshu, Japan. It is a subspecies of the "Otome-aoi," which is the basic species. It grows on the forest floor in mountainous areas and is 5 to 10 cm tall. It produces dark purple to light purple flowers from October to November. The petals are absent, and the calyx tube is flattened with three lobes at the tip. There are 6 pistils and 12 stamens.
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[上・中1〜2] 茨城県つくば市「つくば実験植物園」にて、2022年01月16日撮影。 [中3・中4] 同上にて、2024年11月29日撮影。 [中5〜6・下] 同上にて、2025年01月25日撮影。
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