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结合形态和分子数据对产自我国热带地区的新种海南丝盖伞Inocybe hainanensis进行了描述,其主要特征是子实体小、菌柄淡紫色,侧生囊状体壁稍厚,无柄生囊状体。讨论了海南丝盖伞和热带亚洲及邻近地区相似种在形态上的区别和联系。利用自测nLSU序列和下载序列对该新种及其他具厚壁侧囊体、紫色菌柄的丝盖伞之间进行了系统学分析,发现海南丝盖伞与产自南温带(澳大利亚)的I.violaceucaulis亲缘关系最近。
A new species of Inocybe hainanensis, Hainan Island, was introduced from the tropical regions of China according to its morphological and molecular data. The main features of this species are small fruiting bodies, lacilae lachryma, thicker lateral capsule wall, Body. The morphological differences and connection between similar species of Hainan silk umbrella and tropical Asia and its neighboring areas were discussed. Systematic analysis of the new species and other filamentous umbrellas with thick-walled lateral bladders and purple stalks was performed using the self-tested nLSU sequence and the downloaded sequence. I.violaceucaulis kinship recently.