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<p><i>Impatiens shanglinensis</i> sp. nov.&#xa0;and <i>I. guangnanensis</i> &#xa0;sp. nov.,&#xa0;two new species from southern China, are described and illustrated. <i>I. shanglinensis</i> is morphologically similar to <i>I. guihouensis</i>, but differs significantly in its obovate or obovate-lanceolate lamina, longer bract, narrowly oblong inner lateral sepals and ovate-lanceolate basal lobes. <i>I. guangnanensis</i> is morphologically similar to <i>I. clavigera</i> var. <i>auriculata</i>, but differs significantly in its wingless stem, obovate or obovate-lanceolate lamina, longer pedicel, shorter pedicels and lateral sepals, dorsal petal with retuse apex, triangular-ovate basal lobes and subtetragonous distal lobes. Micromorphological characteristics of pollens and seeds of two new species were observed and molecular data confirms that two new species belong to <i>I</i>. subg. <i>Clavicarpa</i>.</p>

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Two new species of Impatiens subg. Clavicarpa from southern China

  • 期刊论文

  • 发表日期：

    2026年5月25日

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  • Tian Hu,
  • Kan-Ying Qiu,
  • Pi-Ning Zhou,
  • Yi-Yan Cong,
  • Guang-Wan Hu

摘要

Impatiens shanglinensis sp. nov. and I. guangnanensis  sp. nov., two new species from southern China, are described and illustrated. I. shanglinensis is morphologically similar to I. guihouensis, but differs significantly in its obovate or obovate-lanceolate lamina, longer bract, narrowly oblong inner lateral sepals and ovate-lanceolate basal lobes. I. guangnanensis is morphologically similar to I. clavigera var. auriculata, but differs significantly in its wingless stem, obovate or obovate-lanceolate lamina, longer pedicel, shorter pedicels and lateral sepals, dorsal petal with retuse apex, triangular-ovate basal lobes and subtetragonous distal lobes. Micromorphological characteristics of pollens and seeds of two new species were observed and molecular data confirms that two new species belong to I. subg. Clavicarpa.