墨西哥瓦哈卡州的Racocetra cromosmica sp.nov

Pub Date : 2021-11-04 DOI:10.5248/136.615

Eduardo Chimal-Sánchez, I. Reyes-Jaramillo, S. Camargo-Ricalde, L. Varela, Jose Yabín Salmerón Castro, Noé Manuel Montaño

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引用次数: 1

摘要

对墨西哥瓦哈卡中央山谷龙舌兰根际土壤样本的分析，揭示了一种未被描述的具有装饰孢子的racoctra物种。外孢子壁外层的纹饰由圆形和细长的突起组成，它们的组织方式看起来像染色体。因此，将新种命名为Racocetra cromosomica。这是在瓦哈卡州发现的第一个racoctraceae (Gigasporales)物种，瓦哈卡州是墨西哥植物区系多样性最大的州之一。

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Racocetra cromosomica sp. nov. from Oaxaca, Mexico

Analysis of soil samples collected in the rhizosphere of Agave karwinskii in the Central Valleys of Oaxaca, Mexico, revealed an undescribed species of Racocetra that possesses ornamented spores. The ornamentation on the outer layer of the external spore wall consisted of rounded and elongated processes, which are organized in such a way that they look like chromosomes. Therefore, the new species was named Racocetra cromosomica. It is the first species of Racocetraceae (Gigasporales) described from Oaxaca, one of the Mexican states having the greatest floristic diversity.

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