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首页> 外文期刊>植物研究雑誌 >A Taxonomic Study of Asarum sect. Asiasarum (Aristolochiaceae) in Japan
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A Taxonomic Study of Asarum sect. Asiasarum (Aristolochiaceae) in Japan

机译:细辛属的分类学研究。日本的亚洲细骨科(马兜铃科)

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摘要

Three species and one variety of Asarum sect. Asiasarum have hitherto been known in Japan. They are reclassified into seven species including three new species: A. maruyamae, A. tohokuense, and A. mikuniense. Most of the taxonomic studies on the section gave weight to the characters of leaves, calyx lobes, and the number of stamens and pistils. However, this study is base on the following characters to distinguish the species: color pattern in the adaxial surface of calyx tube, the shape of calyx tubes, the width of calyx tube throat, the shape of calyx lobe, and the number and height of ridges on inner surface of calyx tubes. The distribution range of the seven species are geographically segregated. Asarum sieboldii is distributed in central and western Honshu, as well as Korea and central to southern China; A. misandrum in Kyushu, the Aso Mountains as well as southern Korea; A. heterotropoides var. heterotropoides in northern Honshu, Hokkaido, southern Sakhalin and Kuriles; A. tohokuense in central and northern Honshu; A. mikuniense in central Honshu; A. maruyamae in western Honshu; A. dimidiatum in western Honshu, Shikoku and Kyushu.
机译:细辛属的三种和一种变种。迄今为止,Asiasarum在日本已广为人知。它们被重新分类为7种,其中包括3个新种:圆山曲霉,日本东北曲霉和三国曲霉。该部分的大多数分类学研究都重视叶片,花萼裂片的特征以及雄蕊和雌蕊的数量。但是,这项研究是基于以下特征来区分物种的:花萼管的近轴表面的颜色图案,花萼管的形状,花萼管的喉部宽度,花萼叶的形状以及花萼的数量和高度萼筒内表面上的脊。这七个物种的分布范围在地理上是隔离的。细辛细辛(Asarum sieboldii)分布在本州中部和西部,以及韩国和中国中南部。九州,阿苏山脉以及韩国南部的A. misandrum; A.heterotropoides变种本州北部,北海道,萨哈林南部和千岛群岛的异养动物;本州中部和北部的A. tohokuense;本州中部的A. mikuniense;本州西部的丸山。本州西部,四国和九州西部的A. dimidiatum。

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