气候变化领域集成服务门户(CCPortal): Patterns and drivers of plant sexual systems in the dry-hot valley region of southwestern China

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DOI	10.1016/j.pld.2023.07.010
	Patterns and drivers of plant sexual systems in the dry-hot valley region of southwestern China
	Ma, Rong; Xu, Qi; Gao, Yongqian; Peng, Deli; Sun, Hang; Song, Bo
发表日期	2024
ISSN	2096-2703
EISSN	2468-2659
起始页码	46
结束页码	2
卷号	46 期号:2
英文摘要	Sexual systems play important roles in angiosperm evolution and exhibit substantial variations among different floras. Thus, studying their evolution in a whole flora is crucial for understanding the formation and maintenance of plant biodiversity and predicting its responses to environmental change. In this study, we determined the patterns of plant sexual systems and their associations with geographic elements and various life-history traits in dry-hot valley region of southwestern China, an extremely vulnerable ecosystem. Of the 3166 angiosperm species recorded in this area, 74.5% were hermaphroditic, 13.5% were monoecious and 12% were dioecious, showing a high incidence of diclinous species. Diclinous species were strongly associated with tropical elements, whereas hermaphroditic species were strongly associated with temperate and cosmopolitan elements. We also found that hermaphroditism was strongly associated with showy floral displays, specialist entomophily, dry fruits and herbaceous plants. Dioecy was strongly associated with inconspicuous, pale-colored flowers, generalist entomophily, fleshy fruits, and woody plants, whereas monoecy was strongly associated with inconspicuous, pale-colored flowers, anemophily, dry fruits, and herbaceous plants. In addition, hermaphroditic species with generalist entomophily tended to flower in the dry season, whereas diclinous species with specialist entomophily tended to flower in the rainy season. However, independent of sexual systems, plants that produce dry fruits tended to flower in the rainy season and set fruits in the dry season, but the opposite pattern was found for fleshy fruit-producing plants. Our results suggest that in the dry-hot valleys, plant sexual systems are associated with geographic elements as well as various life-history traits that are sensitive to environmental change. Copyright (c) 2023 Kunming Institute of Botany, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BYNC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
英文关键词	Floral traits; Fruit type; Growth form; Pollination system; Reproductive phenology
语种	英语
WOS研究方向	Plant Sciences
WOS类目	Plant Sciences
WOS记录号	WOS:001225664500001
来源期刊	PLANT DIVERSITY
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/303722
作者单位	Chinese Academy of Sciences; Kunming Institute of Botany, CAS; Shaanxi Normal University; Yunnan Normal University
推荐引用方式 GB/T 7714	Ma, Rong,Xu, Qi,Gao, Yongqian,et al. Patterns and drivers of plant sexual systems in the dry-hot valley region of southwestern China[J],2024,46(2).
APA	Ma, Rong,Xu, Qi,Gao, Yongqian,Peng, Deli,Sun, Hang,&Song, Bo.(2024).Patterns and drivers of plant sexual systems in the dry-hot valley region of southwestern China.PLANT DIVERSITY,46(2).
MLA	Ma, Rong,et al."Patterns and drivers of plant sexual systems in the dry-hot valley region of southwestern China".PLANT DIVERSITY 46.2(2024).