蓝钟花属（Cyananthus）是中国—喜马拉雅地区特有属，其下三组在生活型、繁育系统、繁殖方式及分布格局上均有显著分化。本项目拟在先期形态学和分子系统研究的基础上，通过系统学、进化生态学和生物地理学的方法，开展下述研究：（1）揭示组下的种间界限与种间系统关系；（2）重建属下不同性状的演化历程，结合气候资料阐明环境因素对性状演化的影响；（3）计算不同组的物种分化速率，并结合整个属的生物地理事件，且以裂叶蓝钟花与胀萼蓝钟花的谱系地理学研究为例，系统阐明该属现今分布格局的成因。本项研究将有助于深入了解中国—喜马拉雅植物区系的物种起源、形成及演化规律。

The Sino-Himalayan genus Cyananthus highly diversifies in life forms, sexual systems, reproductive patterns and distributional areas among its three sections. Based on the previous morphological and phylogenetic research, current project focuses on the analysis of systematic, evolutionary ecology and biogeography. The objectives of this study are to (1) assess the relationships and delimitations among different species; (2) reconstruct the evolution of selected characters and estimate the influence of climatic niches in character evolution; and (3) calculate and compare the evolutionary rates in three sections, combining with the biogeographic events and phylogeographic analyses of C. lobatus and C. inflatus, to reconstruct the biogeographic history of the genus. Current study helps us learn more about the origin, speciation and diversification of plants in Sino-Himalayan region.