Investigation and landscape application of wild Begonia plant resources in Guangxi.

【Objective】The plant resources of wild Begonia in Guangxi were investigated to provide scientific references for their protection and utilization. 【Method 】Using the method of field investigation and data query,the resources status, ornamental value and landscape application of wild Begonia in Guangxi were surveyed and analyzed. 【Result】The results showed that there were 83 species and varieties,of which 44 species were endemic to Guangxi,accounting for 53.0% of the total species. Unique phenomenon was very prominent. Wild Begonia distributed unevenly in the province. Many species had high ornamental value and many application ways, which meant they should be developed and utilized. 【Suggestion 】It should be strengthened to promote scientific publicity and conserve natural habitats of Begonia resources. It is urgent and necessary to establish the plant nursery of germplasm resources, introduce more varieties and acclimatization,accelerate the breeding of improved variety of ornamental quality and exploit new varieties with Guangxi characteristics which possess competitiveness in the international market. The new varieties should be demonstrated and extended to achieve sustainable utilization of Begonia resources.