Molecular and morphological evidence for a new species of Leptopus (Phyllanthaceae) from Southeast Yunnan, China

Leptopus malipoensis, a new species of Phyllanthaceae from Southeast Yunnan Province, China, is described. The phylogenetic position of the new species within the genus Leptopus was analyzed based on nuclear ribosomal Internal Transcribed Spacer (nrITS) and plastid matK sequence data. The results sh...

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Main Authors: Wenhua Zhang, Xinxin Zhu, Bine Xue, Ende Liu, Yuling Li, Gang Yao
Format: Article
Language:English
Published: PeerJ Inc. 2021-08-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/11989.pdf
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author Wenhua Zhang
Xinxin Zhu
Bine Xue
Ende Liu
Yuling Li
Gang Yao
author_facet Wenhua Zhang
Xinxin Zhu
Bine Xue
Ende Liu
Yuling Li
Gang Yao
author_sort Wenhua Zhang
collection DOAJ
description Leptopus malipoensis, a new species of Phyllanthaceae from Southeast Yunnan Province, China, is described. The phylogenetic position of the new species within the genus Leptopus was analyzed based on nuclear ribosomal Internal Transcribed Spacer (nrITS) and plastid matK sequence data. The results show that L. malipoensis is highly supported to be the sister of L. fangdingianus (P. T. Li) Voronts. & Petra Hoff., a species endemic to western Guangxi Province, China. Morphologically, the new species can be distinguished from all known congeneric taxa by its long and slim branches usually pendulous or procumbent, some of its leaf laminas up to 15 cm long and 7 cm wide. It further differs from its sister species by its hirsute stems, leaves and pedicel of female flowers, longer pedicel of male flowers, 3-locular ovary and three styles. A key to all 10 accepted Leptopus species is provided.
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spelling doaj.art-33d51f8d498a453cb8e1fa7f3a7a843c2023-12-03T11:01:51ZengPeerJ Inc.PeerJ2167-83592021-08-019e1198910.7717/peerj.11989Molecular and morphological evidence for a new species of Leptopus (Phyllanthaceae) from Southeast Yunnan, ChinaWenhua Zhang0Xinxin Zhu1Bine Xue2Ende Liu3Yuling Li4Gang Yao5College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong, ChinaCollege of Life Sciences, Xinyang Normal University, Xinyang, Henan, ChinaCollege of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, ChinaKey Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Kunming, Yunnan, ChinaCollege of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong, ChinaCollege of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong, ChinaLeptopus malipoensis, a new species of Phyllanthaceae from Southeast Yunnan Province, China, is described. The phylogenetic position of the new species within the genus Leptopus was analyzed based on nuclear ribosomal Internal Transcribed Spacer (nrITS) and plastid matK sequence data. The results show that L. malipoensis is highly supported to be the sister of L. fangdingianus (P. T. Li) Voronts. & Petra Hoff., a species endemic to western Guangxi Province, China. Morphologically, the new species can be distinguished from all known congeneric taxa by its long and slim branches usually pendulous or procumbent, some of its leaf laminas up to 15 cm long and 7 cm wide. It further differs from its sister species by its hirsute stems, leaves and pedicel of female flowers, longer pedicel of male flowers, 3-locular ovary and three styles. A key to all 10 accepted Leptopus species is provided.https://peerj.com/articles/11989.pdfLeptopusPhyllanthaceaePoranthereaeTaxonomyYunnanChina
spellingShingle Wenhua Zhang
Xinxin Zhu
Bine Xue
Ende Liu
Yuling Li
Gang Yao
Molecular and morphological evidence for a new species of Leptopus (Phyllanthaceae) from Southeast Yunnan, China
PeerJ
Leptopus
Phyllanthaceae
Poranthereae
Taxonomy
Yunnan
China
title Molecular and morphological evidence for a new species of Leptopus (Phyllanthaceae) from Southeast Yunnan, China
title_full Molecular and morphological evidence for a new species of Leptopus (Phyllanthaceae) from Southeast Yunnan, China
title_fullStr Molecular and morphological evidence for a new species of Leptopus (Phyllanthaceae) from Southeast Yunnan, China
title_full_unstemmed Molecular and morphological evidence for a new species of Leptopus (Phyllanthaceae) from Southeast Yunnan, China
title_short Molecular and morphological evidence for a new species of Leptopus (Phyllanthaceae) from Southeast Yunnan, China
title_sort molecular and morphological evidence for a new species of leptopus phyllanthaceae from southeast yunnan china
topic Leptopus
Phyllanthaceae
Poranthereae
Taxonomy
Yunnan
China
url https://peerj.com/articles/11989.pdf
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