来自中国湖南省顺河的 Ulnariashun-biseriata sp.

IF 1.3 3区生物学 Q3 PLANT SCIENCES

PhytoKeys Pub Date : 2024-09-24 eCollection Date: 2024-01-01 DOI:10.3897/phytokeys.246.130942

Yan Zheng, Bing Liu, Patrick Rioual, Ji-Yan Long, Min Zhou

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引用次数: 0

摘要

根据光学显微镜和扫描电子显微镜的观察，对其形态进行了描述。Ulnariashun-biseriata的特征是：裂爿轮廓呈披针形，裂爿顶端具细尖，裂爿边缘略呈波状，裂爿上多为双列条纹，裂爿中心区域多变，裂爿闭合。在调查的样本中观察到许多 U.shun-biseriata 的异常瓣膜，最常见的形态异常包括瓣膜中间部分单侧扩张导致相对于顶轴缺乏对称性。

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Ulnariashun-biseriata sp. nov. (Bacillariophyta) from the Shun River in Hunan Province, China.

A new species, Ulnariashun-biseriata sp. nov., was found in the Shun River of Hunan Province, southern China, and its morphology was described based on light and scannning electron microscope obervations. Ulnariashun-biseriata is characterized by its lanceolate valve outline, apiculate valve apices, slightly undulate valve margins, mostly biseriate striae, variable central area, and closed valvocopula. Many abnormal valves of U.shun-biseriata were observed in the samples investigated and the most frequent morphological abnormalities consisted of a lack of symmetry relative to the apical axis caused by a unilateral expansion in the middle part of the valve.

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来源期刊

PhytoKeys PLANT SCIENCES-

CiteScore

2.60

自引率

14.30%

发文量

189

审稿时长

6 weeks

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