Variation in floral characters, particularly floral scent, in sapromyophilous Stemona species
Chen, Gao1,2; Gong, Wei-Chang3; Ge, Jia1,2; Schinnerl, Johann4; Wang, Bin1,2,5; Sun, Wei-Bang1,2
2017-11-01
发表期刊JOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN1672-9072
卷号59期号:11页码:825-839
摘要Flowers or inflorescences often deploy various signals, including visual, olfactory, and gustatory cues, that can be detected by their pollinators. In many plants, these cues and their functions are poorly understood. Deciphering the interactions between floral cues and pollinators is crucial for analyzing the reproductive success of flowering plants. In this study, we examined the composition of the fetid floral scents produced by several Stemona species, including nine S. tuberosa populations from across China, using dynamic headspace adsorption, gas chromatography, and mass spectrometry techniques. We compared variations in floral phenotype, including floral longevity, nectar rewards, pollinator behavior, and flower length and color among the Stemona species. Of the 54 scent compounds identified, the major compounds include fetid dimethyl disulfide, dimethyl trisulfide, 1-pyrroline, butyric acid, p-cresol, isoamyl alcohol, and indole. We detected striking differentiation in floral scent at both the species and population level, and even within a population of plants with different colored flowers. Floral characteristics related to sapromyophily and deceptive pollination, including flower color mimicking livor mortis and a lack of nectar, were found in five Stemona species, indicating that Stemona is a typical sapromyophilous taxon. Species of this monocot genus might employ evolutionary tactics to exploit saprophilous flies for pollination.
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/60357
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming Bot Garden, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
3.Honghe Univ, Coll Life Sci & Technol, Mengzi 661199, Peoples R China
4.Univ Vienna, Div Systemat & Evolutionary Bot, Dept Bot & Biodivers Res, Rennweg 14, A-1030 Vienna, Austria
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Chen, Gao,Gong, Wei-Chang,Ge, Jia,et al. Variation in floral characters, particularly floral scent, in sapromyophilous Stemona species[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2017,59(11):825-839.
APA Chen, Gao,Gong, Wei-Chang,Ge, Jia,Schinnerl, Johann,Wang, Bin,&Sun, Wei-Bang.(2017).Variation in floral characters, particularly floral scent, in sapromyophilous Stemona species.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,59(11),825-839.
MLA Chen, Gao,et al."Variation in floral characters, particularly floral scent, in sapromyophilous Stemona species".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 59.11(2017):825-839.
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