Morphological and molecular evidence for a new species from China: Piper semi-transparens (Piperaceae)

文献类型： 外文期刊

第一作者： Hao, Chao-Yun

作者： Hao, Chao-Yun;Wu, Bao-Duo;Qin, Xiao-Wei;Wu, Gang;Hao, Chao-Yun;Wu, Bao-Duo;Qin, Xiao-Wei;Wu, Gang;Hao, Chao-Yun;Wu, Bao-Duo;Qin, Xiao-Wei;Wu, Gang;Deng, Hai-Yan;Tan, Yun-Hong;Tan, Yun-Hong

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关键词： diversity; ITS; taxonomy; tropical flora

期刊名称：PHYTOTAXA （ 影响因子：1.171； 五年影响因子：1.196 ）

ISSN： 1179-3155

年卷期： 2020 年 429 卷 3 期

页码：

收录情况： SCI

摘要： We conducted morphological and molecular analyses to describe a new species of Piperaceae, Piper semi-transparens, which was observed in Hainan, Guangdong and Guangxi Provinces, China. Detailed morphological comparisons between the newly discovered species and other members of Piper indicate that Piper semi-transparens is similar to P. bonii and P. bonii var. macrophyllum, from which it differs in having glabrous leaf blades; stem densely short and unbranched pubescent when young, glabrous when mature; veins 5(-7); stamens 2; stigmas 3, rarely 4; spikes color white when mature; floral bracts glabrous; pericarp white and semi-transparent. Molecular analyses based on the ITS marker of nuclear ribosomal DNA strongly support that P. semi-transparens is a new species in the genus Piper, most closely related to P. bonii and P. bonii var. macrophyllum.

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