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, 1
A new species, Lysimachia septemfida(Primulaceae), from Yunnan(Southwest China) is described and illustrated. The new species exhibits several unusual character
Floral traits, including those invisible to humans but visible to pollinators, that increase pollination efficiency may be selected by pollinators in plant spec