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リーア(ウドノキ)科の植物は、旧世界の熱帯地域に1属70種ほどが分布しています。この「ルブラ」は、ビルマが原産のコッキネア種の園芸品種です。「なんてん(南天)」に似た木で真っ直ぐに伸び、暗い赤紫色の葉が特徴です。観葉植物として栽培されています。夏に散房花序をつけ、外側が明るい赤色で、内側が黄みを帯びたピンク色の小さな花を咲かせます。花後には黒い果実ができます。
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ウドノキ科ウドノキ属の常緑低木で、学名は Leea coccinea cv. Rubra。英名は Red leea。
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The Leeaceae (the Leea family) has about 70 species of one genus, and are distributed in the tropical regions of the Old World. The "red leea" (Rubra) is a cultivar of the Leea coccinea native to Burma. It is a tree similar to "Nandina" and grows straight and features dark reddish purple leaves. It is cultivated as a foliage plant. Inflorescences are borne in summer and bloom small flowers with a bright red color on the outside and a yellowish pink color on the inside. Black fruits are produced after the flowers.
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[上・中1〜2] 大阪府交野市「大阪市大付属植物園」にて、2002年08月14日撮影。 [中3〜4・下] 同上にて、2003年09月07日撮影。
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