supported by the National Natural Science Foundation of China (31670206, 31360049) to Zhi-Min Li;major Program of NSFC (grant 31590823, 31590820) to Hang Sun,NSFC (31370004, 31570213) to Jian-Wen Zhang
The Hengduan Mountains region is a biodiversity hotspot. In this study, we report the karyotypes of 19 species(21 populations) of Asteraceae from this region, 14 of which are reported for the first time. We also exami...