Plant sexual systems correlated with morphological traits: Reflecting reproductive strategies of alpine plants
Peng, De-Li1,2,3; Ou, Xiao-Kun1; Xu, Bo2; Zhang, Zhi-Qiang2; Niu, Yang2; Li, Zhi-Min4; Sun, Hang2
Corresponding AuthorSun,H (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Biodivers & Biogeog,Kunming 650201,Peoples R China. ; lizhimin_vip@163.com ; hsun@mail.kib.ac.cn
2014-05-01
Source PublicationJOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN1674-4918
Volume52Issue:3Pages:368-377
Abstract

Plant sexual systems can be affected by various environmental factors, and thus show a range of morphological differences. The associations between plant sexual systems and morphology are unique, for example, the subnival belt of the Hengduan Mountains has harsh climatic conditions, but hosts remarkable biodiversity. However, these associations have received surprisingly little attention. We analyzed the associations in this region, and compared the pattern of sexual systems with that of other floras, and we also reviewed the breeding system of 36 alpine species. Information on plant sexual systems and these traits were mainly based on published information, herbarium collections, and field observations. The results showed that there was a high proportion of hermaphroditic species and a low proportion of dioecious and monoecious species. Hermaphroditism was strongly associated with showy floral displays, specialist entomophily, and perennial forbs. Dioecy was strongly associated with inconspicuous, pale-colored flowers, anemophily, and shrubs, whereas monoecy was strongly associated with inconspicuous, pale-colored flowers, generalist entomophily, and perennial grasses. Although no association was found between sexual systems and fruit type, plants with dry fruits (98.1%) were predominant in our study region. With respect to the plant breeding systems in the alpine region of southwest China, we predicted that pollination service might be particularly low; most of the plants lacked enough outcrossing pollinators. Our data revealed that 97.1% of the hermaphroditic species were self-compatible, and 88.2% of them showed autonomous or facilitated selfing. The plant sexual systems identified might serve to optimize the probability of pollination and thus ensure reproductive success.

KeywordAlpine Subnival Belt Floral Display Fruit Types Hengduan Mountains Pollination Syndrome Sexual Systems
Subject AreaPlant Sciences
DOI10.1111/jse.12046
Indexed BySCI
Language英语
WOS IDWOS:000335400300013
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/18137
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Yunnan Univ, Inst Ecol & Geobot, Kunming 650091, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Yunnan Normal Univ, Sch Life Sci, Kunming 650500, Peoples R China
Recommended Citation
GB/T 7714
Peng, De-Li,Ou, Xiao-Kun,Xu, Bo,et al. Plant sexual systems correlated with morphological traits: Reflecting reproductive strategies of alpine plants[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2014,52(3):368-377.
APA Peng, De-Li.,Ou, Xiao-Kun.,Xu, Bo.,Zhang, Zhi-Qiang.,Niu, Yang.,...&Sun, Hang.(2014).Plant sexual systems correlated with morphological traits: Reflecting reproductive strategies of alpine plants.JOURNAL OF SYSTEMATICS AND EVOLUTION,52(3),368-377.
MLA Peng, De-Li,et al."Plant sexual systems correlated with morphological traits: Reflecting reproductive strategies of alpine plants".JOURNAL OF SYSTEMATICS AND EVOLUTION 52.3(2014):368-377.
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