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中国南部からインドシナ半島が原産です。潅木帯や常緑広葉樹林に生え、高さは5〜15メートルになります。葉は楕円形から狭楕円形で革質です。5月から6月ごろ、花序をだし、50〜70個の小さな花を咲かせます。花序は白い苞葉に取り囲まれています。果実は集合果で、11月から12月に黄色や赤色に熟します。写真は、実生選抜品種の「げっこう(月光)」。
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ミズキ科ヤマボウシ属の常緑高木で、学名は Benthamidia hongkongensis (syn. Cornus hongkongensis)。英名はありません。
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The Benthamidia hongkongensis belongs to Cornaceae (the Dogwood family). It is a tall evergreen tree that is native to southrn China and the Indo-China Peninsula. This tree grows in thickets or broad-leaved evergreen forests and can reach 5-15 m in height. The leaves are elliptic to narrowly elliptic and leathery. The inflorescences are borne and bloom 50-70 small flowers from May to June. They are crowded round with white bracts. The fruits are compound and ripen yellow or red from November to December. The photos are a cutivar 'Gekkou' which is a selected variety by rasing from seed.
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[上・中1〜3] 茨城県神栖市太田新町にて、2009年06月20日撮影。 [中4] 同上にて、2010年05月02日撮影。 [中5〜7・下] 同上にて、2011年06月25日撮影。
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