Caloneisnanyiensis sp. nov. (Bacillariophyta) from Nanyi Lake of Anhui Province, China.

IF 1.3 3区 生物学 Q3 PLANT SCIENCES
PhytoKeys Pub Date : 2025-04-17 eCollection Date: 2025-01-01 DOI:10.3897/phytokeys.255.145664
Yong Fang, Pan Yu, Qing-Min You, John Patrick Kociolek, Yue Cao, Quan-Xi Wang, Zhi-Ping Qian
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引用次数: 0

Abstract

A new species, Caloneisnanyiensis sp. nov., is described from Nanyi Lake, the largest lake in southern Anhui Province, China. Observations were made using a light and scanning electron microscope documenting the size, shape and ultrastructure of the new species. Caloneisnanyiensis sp. nov. has rhombic valves with acutely rounded apices. The raphe is narrow and arched. An internal axial plate covers the alveoli, leaving small marginal openings bordered by costa, thickened and raised from the valve face. The striae are slightly radiate to parallel in the central area, becoming radiate towards the apices. By comparing the new species with similar Caloneis species, C.nanyiensis sp. nov. was confirmed to be sufficiently different with respect to valve size and striae density to be recognised as new to science. The new species lives in freshwater habitats and epiphytic on Cladophora. The discovery enhances our knowledge of the diversity of freshwater diatoms in China.

Caloneisnanyiensis sp. 11 .(硅藻门)来自中国安徽省南宜湖。
安徽南部最大湖泊南一湖记述一新种Caloneisnanyiensis sp. nov.。利用光镜和扫描电镜观察了新种的大小、形状和超微结构。Caloneisnanyiensis sp. 11 .有菱形瓣具尖锐圆形的顶端。这条河很窄,呈拱形。一个内部轴向板覆盖肺泡,留下小的边缘开口,以costa为边界,增厚并从瓣膜表面凸起。条纹在中心区域呈微辐射平行,向顶端辐射。通过与相似的Caloneis种的比较,证实了C.nanyiensis sp. nov.在阀大小和条纹密度方面有足够的不同,从而被认为是科学上的新种。新物种生活在淡水生境和附生的Cladophora。这一发现增强了我们对中国淡水硅藻多样性的认识。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
PhytoKeys
PhytoKeys PLANT SCIENCES-
CiteScore
2.60
自引率
14.30%
发文量
189
审稿时长
6 weeks
期刊介绍: PhytoKeys is a peer-reviewed, open-access, online and print, rapidly produced journal launched to support free exchange of ideas and information in systematic botany. All papers published in PhytoKeys can be freely copied, downloaded, printed and distributed at no charge for the reader. Authors are thus encouraged to post the pdf files of published papers on their homepages or elsewhere to expedite distribution. There is no charge for color.
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