INVESTIGATION ON WILD RUBUS RESOURCES IN YUNNAN PROVINCE

Field expeditions of Rubusresources were carried out in Yunnan Province from 1996 to 1997. One new species, 5new varieties and6species, 5varieties of new distribution have been found in the wild.According to our collections and the information by predecessors as well, it is totally about 107 species and 45varieties of Rubusfound here, among them 30 species and 16varieties endemic to Yunnan Province, 28species and 10 varieties endemic to SW China.It was also found that the Rubus species are more concentrated in the SEand Wparts of the province.The distribution and diversity of Rubus resources were reported and some valuable germplasms such as Rubus ellipticus var.obcordatus were recommanded.