IUCN red list assessment
Euonymus duanensis is known from several karst summits
of the type locality, with an estimated extent of occurrence of 10
km2. In accordance with the IUCN (2022), the
above-mentioned area corresponds to a single location. There are
approximately 300-500 individuals counted at this site. The occurrence
and the habitat of the new species are subjected to various
anthropogenic disturbances. So, the species is assessed as Critically
Endangered (CR) under the criteria B1ab(i)+C2a(i).