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The taxonomic position of Corydalis parviflora Su & Liden (Papaveraceae), a genetically distinct species: Evidence from cpDNA and nDNA sequences

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WOS被引频次:2
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成果类型:
期刊论文
作者:
Zhang, Zhong-Xin;Wang, Dong*;Yang, Xue
通讯作者:
Wang, Dong
作者机构:
[Zhang, Zhong-Xin; Wang, Dong; Yang, Xue] Cent China Normal Univ, Coll Life Sci, Key Lab Geog Proc Anal & Simulat, Wuhan 430079, Hubei Province, Peoples R China.
[Zhang, Zhong-Xin] Anqing Normal Univ, Coll Life Sci, Prov Key Lab Biodivers Study & Ecol Conservat Sou, Anqing 246011, Anhui, Peoples R China.
[Wang, Dong] Cent China Normal Univ, Coll Life Sci, 152 Luoyu Rd, Wuhan 430079, Peoples R China.
通讯机构:
[Wang, Dong] Cent China Normal Univ, Coll Life Sci, 152 Luoyu Rd, Wuhan 430079, Peoples R China.
语种:
英文
关键词:
Corydalis;Corydalis parviflora;cpDNA;nDNA;Taxonomic position
期刊:
Biochemical Systematics and Ecology
ISSN:
0305-1978
年:
2016
卷:
67
页码:
134-141
文献类别:
WOS:Article
所属学科:
ESI学科类别:生物学与生物化学;WOS学科类别:Biochemistry & Molecular Biology;Ecology;Evolutionary Biology
入藏号:
基金类别:
National Natural Science Foundation of China [31170310, 31110103911]; Science and Technology Basic Work [2013FY112100]; specimen platform of China, teaching specimens sub-platform [2005DKA21403-JK]
机构署名:
本校为通讯机构
院系归属:
城市与环境科学学院
生命科学学院
摘要:
The taxonomic position of Corydalis parviflora Su & Liden, an endemic Chinese herb that grows in limestone crevices, has been uncertain. It was presumed to be a hybrid and had been placed in Corydalis section Thalictrifoliae or section Sophorocapnos. To test whether C. parviflora represents a hybrid of Corydalis saxicola Bunting (section Thalictrifoliae) with Corydalis balansae Prain (section Sophorocapnos) and/or Corydalis racemosa Pers. (section Cheilanthifoliae), we compared cpDNA (rbcL, psbA-trnH, and the trnG intron) and nDNA (NADPH-ferrihemoprotein oxidoreductase) sequences of these taxa and reconstructed phylogenetic trees from 18 Corydalis species and two outgroup species. Corydalis parviflora differs from its putative parents in both cpDNA and nDNA sequences and represented a separate lineage within section Sophorocapnos. These findings demonstrate that C parviflora is not a hybrid and is more closely related to species in section Sophorocapnos than in section Thalictrifoliae. They also demonstrate that although hybridization is considered a relatively common phenomenon in vascular plants, assumptions of interspecific hybridization that are based on morphological similarities need to be tested through genetic analyses. (C) 2016 Elsevier Ltd. All rights reserved.
参考文献:
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