Spinescent patterns in the flora of Jiaozi Snow Mountain,Southwestern China

作     者：Qi Xu Simcha Lev-Yadun Lu Sun Zhe Chen Bo Song Hang Sun Qi Xu;Simcha Lev-Yadun;Lu Sun;Zhe Chen;Bo Song;Hang Sun

作者机构：Key Laboratory for Plant Diversity and Biogeography of East AsiaKunming Institute of BotanyChinese Academy of Sciences132 Lanhei RoadKunming.650201YunnanChina University of Chinese Academy of SciencesBeijing100049China Department of Biology&EnvironmentFaculty of Natural SciencesUniversity of Haifa-OranimTivon36006Israel 

出 版 物：《Plant Diversity》 (植物多样性（英文版）)

年 卷 期：2020年第42卷第2期

页      面：83-91页

核心收录：

学科分类：07[理学] 0713[理学-生态学] 

基　　金：supported by the National Key Research and Development Program of China(2017YFC0505200) the Major Program of the National Natural Science Foundation of China(31590820) the National Natural Science Foundation of China(31570228,31770249) the Young Academic and Technical Leader Raising Foundation of Yunnan Province(2016HB062) the Ten-thousand Talents Program of Yunnan Province(YNWR-QNBJ2018-208) the Youth Innovation Promotion Association,CAS (2017437) the CAS “Light of West China” Program to B.S 

主　　题：Herbivory Life form Physical defense Trade-off Plant apparency Spinescence 

摘      要：Spinescence has been thought to have evolved mainly as a defense against ***,studying its evolution in a whole flora is an excellent approach for understanding long-term plant-herbivore *** this study,we characterized the spinescent plant species of Jiaozi Snow Mountain,Southwestern China,in order to explore the effects of life forms,plant organs,phylogenetic position,and phytogeographical origin on spinescence *** Jiaozi Snow Mountain flora includes 137 spinescent species(9.2%)out of 1488 angiosperm *** found that in these spinescent species,vegetative organs(70.0%)were significantly more defended than reproductive organs(43.8%).Life form had a significant effect on spinescence *** species(18.6%)were more likely to be spiny than non-woody species(6.4%);moreover,woody species mostly defend their vegetative organs(92.2%),whereas herbaceous species mostly defend their reproductive organs(73.3%).For woody plants,leaf habit has a significant effect on ***,spinescence was more common on the reproductive organs of deciduous woody species than on those of evergreen woody species;furthermo re,spinescence was more common on the leaf blades of evergreens than on those of deciduous species;however,the proportion of spinescent petioles in deciduous species was significantly higher than in *** most common spine color was yellow(40.8%),followed by white(16.8%),red(15.8%),and brown(14.3%);furthermore,74.4%of spinescence that showed aposematic color was a different color than the plant organ on which *** findings suggest that spinescence is visually aposematic in the Jiaozi Snow Mountain ***,more families tended to have spines on vegetative organs(83.3%in vegetative organs,50.0%in reproductive organs),but the phylogenetic signals were *** proportion of spinescence was not significantly different between tropical(9.8%of genera,7.6%of species)and temperate(13.2%of ge