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<p><i>Paraphlomis wui</i>, a new species from the limestone region of southeastern Chongqing, China, is described and illustrated. Molecular phylogenetic analyses, based on two nuclear ribosomal DNA regions (ITS and ETS) and 80 protein-coding sequences from plastomes, reveal that <i>P. wui</i> is sister to <i>P. kuankuoshuiensis</i>, and the two species together form a clade sister to <i>P. youyangensis</i>. Despite the geographic proximity of these three species, <i>P. wui</i> is morphologically distinct from both <i>P. kuankuoshuiensis</i> and <i>P. youyangensis</i> in terms of habit, as well as leaf, calyx and corolla morphology. The new species is most similar to <i>P. longicalyx</i> but can be distinguished by its abaxially glabrous laminae, sparsely strigose calyces with triangular teeth, glabrous corolla tubes, and lower corolla lips without spots.</p>

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Paraphlomis wui (Lamiaceae), a new species from Chongqing, China

  • 期刊论文

  • 发表日期：

    2026年5月13日

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  • Jing-Chen Yuan,
  • Jin-Fei Xiao,
  • Wei-Bin Xu,
  • Si-Rong Yi,
  • Chun-Lei Xiang,
  • Ya-Ping Chen

摘要

Paraphlomis wui, a new species from the limestone region of southeastern Chongqing, China, is described and illustrated. Molecular phylogenetic analyses, based on two nuclear ribosomal DNA regions (ITS and ETS) and 80 protein-coding sequences from plastomes, reveal that P. wui is sister to P. kuankuoshuiensis, and the two species together form a clade sister to P. youyangensis. Despite the geographic proximity of these three species, P. wui is morphologically distinct from both P. kuankuoshuiensis and P. youyangensis in terms of habit, as well as leaf, calyx and corolla morphology. The new species is most similar to P. longicalyx but can be distinguished by its abaxially glabrous laminae, sparsely strigose calyces with triangular teeth, glabrous corolla tubes, and lower corolla lips without spots.