The coexistence of hermaphroditic and dioecious plants is associated with polyploidy and gender dimorphism in Dasiphora fruticosa
Wang, Lin-Lin1,2; Zhang, Zhi-Qiang3; Yang, Yong-Ping1; Duan, Yuan-Wen1
Corresponding AuthorYang, Yong-Ping(yangyp@mail.kib.ac.cn) ; Duan, Yuan-Wen(duanyw@mail.kib.ac.cn)
2019-10-01
Source PublicationPLANT DIVERSITY
ISSN2096-2703
Volume41Issue:5Pages:323-329
AbstractDasiphora fruticosa comprises male, female and hermaphrodite plants, which are distributed sympatrically in some populations on the Qinghai-Tibet Plateau. To explore what governs the coexistence of these three sexual phenotypes, we investigated the DNA contents, pollen and ovule production, pollen deposition, and performed hand-pollination in both hermaphroditic and dioecious individuals of D. fruticosa. Flow cytometry confirmed that the DNA content of males and females were almost twice as much as that of the hermaphrodites. Male and female flowers produced more pollen grains and ovules than hermaphroditic flowers. Hand-pollinated treatments showed that unisexual flowers were sterile in one sexual function and bisexual flowers were fertile for both functions, but no sterile seeds were produced between unisexual and bisexual flowers. Our findings imply that polyploidy is related to gender dimorphism, and both are likely to play a strong role in the coexistence of two cryptic biological species of D. fruticosa (low ploidy hermaphroditic species and high ploidy dioecious species) in the Qinghai-Tibet Plateau. Copyright (C) 2019 Kunming Institute of Botany, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.
KeywordGender polymorphism Dioecy Dasiphora fruticosa Polyploidy Reproductive isolation
DOI10.1016/j.pld.2019.06.002
Indexed BySCI ; SCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000497462900005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/70682
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Corresponding AuthorYang, Yong-Ping; Duan, Yuan-Wen
Affiliation1.Chinese Acad Sci, Key Lab Plant Divers & Biogeog East Asia, Germplasm Bank Wild Species, Inst Tibetan Plateau Res Kunming,Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Yunnan Univ, Lab Ecol & Evolutionary Biol, Kunming 650091, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Wang, Lin-Lin,Zhang, Zhi-Qiang,Yang, Yong-Ping,et al. The coexistence of hermaphroditic and dioecious plants is associated with polyploidy and gender dimorphism in Dasiphora fruticosa[J]. PLANT DIVERSITY,2019,41(5):323-329.
APA Wang, Lin-Lin,Zhang, Zhi-Qiang,Yang, Yong-Ping,&Duan, Yuan-Wen.(2019).The coexistence of hermaphroditic and dioecious plants is associated with polyploidy and gender dimorphism in Dasiphora fruticosa.PLANT DIVERSITY,41(5),323-329.
MLA Wang, Lin-Lin,et al."The coexistence of hermaphroditic and dioecious plants is associated with polyploidy and gender dimorphism in Dasiphora fruticosa".PLANT DIVERSITY 41.5(2019):323-329.
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