A revision of the genus Malus Mill. (Rosaceae)

被引：3
作者：
Li, Jing-chao [1 ,2 ,3 ,4 ]
Liu, Jian-quan [3 ]
Gao, Xin-fen [1 ,2 ]
机构：
[1] Chinese Acad Sci, Chengdu Inst Biol, CAS Key Lab Mt Ecol Restorat & Bioresource Utiliz, Chengdu 610041, Sichuan, Peoples R China
[2] Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat & Biodivers Conservat Key Lab Sichu, Chengdu 610041, Sichuan, Peoples R China
[3] Sichuan Univ, Sch Life Sci, Chengdu 610065, Sichuan, Peoples R China
[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
EUROPEAN JOURNAL OF TAXONOMY | 2022年 / 853卷
基金：
中国国家自然科学基金;
关键词：
Herbarium specimens; morphological variation; numerical analyses; revision; taxonomy; APPLE; PHYLOGENY; CLASSIFICATION; DIVERSITY; CHINA;
D O I：
10.5852/ejt.2022.853.2019
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A revision of the wild species in the genus Malus Mill. (Rosaceae) is presented based on numerical analyses and specimens from herbaria around the world, while cultivated species such as Malus domestica (Suckow) Borkh. are not included because of their complicated domestication history. Infra- and interspecific morphological variation and species delimitation are clarified based on Principal Component Analyses (PCA) and Cluster Analyses (UPGMA). We found that several morphological characters traditionally used to distinguish species have limited taxonomic value because of high phenotypic variation or plasticity. There is a substantial conflict between traditional morphological and genetic taxonomic concepts, and as a result species lineages are often morphologically indistinguishable. None of the analyses supports the recognition of infraspecific categories in Malus transitoria (Batalin) C.K.Schneid. and interspecific categories between Malus doumeri (Bois) A.Chev. and Malus leiocalyca S.Z.Huang. Based on our analyses, we recognize 26 wild species in the genus, and propose seven new synonymies.
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页码：1 / 127
页数：127
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