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<p>Based on morphological and phylogenetic studies, three new <i>Scleroderma</i> species, <i>S. granulatum</i>, <i>S. maraciforme</i> and <i>S. sinense</i> are described from China. In addition, based on mature basidiocarps, an updated description is provided for <i>S. gaibeioides</i>, a recently described species. Each new species exhibits distinct morphological characteristics: <i>S. granulatum</i> forms orange-brown to caramel, easily detached granular squamules and small basidiospores; <i>S. maraciforme</i> forms basidiocarps resembling a maraca with an extremely long pseudostipe; while <i>S. sinense</i> has small basidiospores and brown squamules on its peridium that are shaped like mushroom popcorn. Images of fresh basidiocarps, microscopic characteristics under light microscopy (LM), and basidiospores under scanning electron microscope (SEM) are provided. ITS phylogeny further clarifies the placements of these new species within <i>Scleroderma</i>, with <i>S. sinense</i> and <i>S. maraciforme</i> in section <i>Scleroderma</i>, <i>S. granulatum</i> in section <i>Reticulatae.</i></p>

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Three new species of Scleroderma from Southern China

  • 期刊论文

  • 发表日期：

    2026年1月10日

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  • Ling Li,
  • Hua Qu,
  • Rong-Qian Bi,
  • Rui Wu,
  • Hai-Jiao Li,
  • Zai-Wei Ge

摘要

Based on morphological and phylogenetic studies, three new Scleroderma species, S. granulatum, S. maraciforme and S. sinense are described from China. In addition, based on mature basidiocarps, an updated description is provided for S. gaibeioides, a recently described species. Each new species exhibits distinct morphological characteristics: S. granulatum forms orange-brown to caramel, easily detached granular squamules and small basidiospores; S. maraciforme forms basidiocarps resembling a maraca with an extremely long pseudostipe; while S. sinense has small basidiospores and brown squamules on its peridium that are shaped like mushroom popcorn. Images of fresh basidiocarps, microscopic characteristics under light microscopy (LM), and basidiospores under scanning electron microscope (SEM) are provided. ITS phylogeny further clarifies the placements of these new species within Scleroderma, with S. sinense and S. maraciforme in section Scleroderma, S. granulatum in section Reticulatae.