首页> 外文期刊>Journal American Rhododendron Society >Rhododendron colemanii: A New Species of Deciduous Azalea (Rhododendron section Pentanthera; Ericaceae) from the Coastal Plain of Alabama and Georgia
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Rhododendron colemanii: A New Species of Deciduous Azalea (Rhododendron section Pentanthera; Ericaceae) from the Coastal Plain of Alabama and Georgia

机译:杜鹃花杜鹃花:来自阿拉巴马州和佐治亚州沿海平原的一种落叶杜鹃花新种(杜鹃花节Pentanthera; Ericaceae)

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摘要

A new species of deciduous azalea, Rhododendron colemanii R, Miller (Red Hills azalea), from the upper Coastal Plain of Alabama and Western Georgia, USA, has been characterized based on morphology, flowering phenology, habitat, native range, positionin a molecular phylogeny, and genome size. Though specimens have previously been confused with Rhododendron alabamense Rehder or its hybrids, phylogenetic relationships based on sequences of the nuclear gene RPB2-I gene showed R. colemanii to be a coherent species in a clade of section Pentanthera G. Don along with R, luteum Sweet and the Southeastern U.S. azaleas R. atlanticum (Ashe) Rehder, R austrinum (Small) Rehder, and R. calendulaceum (Michaux) Torrey. Flow cytometry showed R. colemanii to be, like the other azaleas in this clade, tetraploid. A detailed morphological description and Latin diagnosis are provided.
机译:根据形态,开花物候,生境,原生境,分子系统发育中的位置,对来自美国阿拉巴马州上沿海平原和美国西部佐治亚州的一种落叶杜鹃花新品种米杜鹃(Red Hills杜鹃花)进行了表征。和基因组大小。尽管标本以前曾与阿拉巴德杜鹃杜鹃或其杂种混淆,但基于核基因RPB2-I基因序列的系统发生关系显示,科勒曼立叶疟原虫是Pentanthera G. Don和R. luteum枝条中的连贯物种。 Sweet和美国东南部的杜鹃花R. atlanticum(Ashe)Rehder,R austrinum(Small)Rehder和R. calendulaceum(Michaux)Torrey。流式细胞仪显示,与该进化枝中的其他杜鹃花一样,R。colemanii是四倍体。提供了详细的形态学描述和拉丁语诊断。

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