Impatiensbeipanjiangensis（凤仙花科），中国贵州的一个新种。

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-04-30 eCollection Date: 2024-01-01 DOI:10.3897/phytokeys.241.113700

Hong-Fen Hu, Jian Xu, Ming-Tai An, Ying Guo, Jia-Wen Yang

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引用次数: 0

摘要

Impatiensbeipanjiangensis Jian Xu & H. F. Hu（凤仙花科）是在中国贵州发现的 Impatienssubg.Clavicarpa 的一个新种，本研究对其进行了描述和图解，并对其进行了分子系统学分析。北盘江无患子（I.beipanjiangensis）与北盘江无患子（I.liboensis）、赤水无患子（I.chishuiensis）和北盘江无患子（I.clavigera）形态相似，但与北盘江无患子（I.tubulosa）关系最为密切。不过，新种可以通过多种方式与这 4 个种区分开来：下节膨大的根状茎、淡绿色和带钩的外萼片、较长的侧合瓣、近卵形的叶耳、较深的下萼片和向下萼片反折的较短距。此外，根据形态学、微形态学、古植物学证据和分子数据（PP 0.967），I.beipanjiangensis 可与其他无患子种区分开来。

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Impatiensbeipanjiangensis (Balsaminaceae), a new species from Guizhou, China.

Impatiensbeipanjiangensis Jian Xu & H. F. Hu (Balsaminaceae), a new species of Impatienssubg.Clavicarpa discovered in Guizhou, China, is described and illustrated in this study along with its molecular phylogenetic analysis. I.beipanjiangensis is similar to I.liboensis, I.chishuiensis and I.clavigera in morphology, but I.tubulosa has the closest relationship to it. However, there are various ways in which the new species can be easily distinguished from these four species: Inferior nodes swollen rhizoid, pale green and with hooked outer sepals, longer lateral united petals, subovate auricle, deeper lower sepal and shorter spur that is reflexed towards the lower sepal. Furthermore, I.beipanjiangensis is distinguished from other Impatiens species, based on morphological, micromorphological and palynological evidence and molecular data (PP 0.967).

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.