The most famous tea from Yunnan is Puer. Yunnan also produces green tea, jasmine tea, and black tea. Yunnan province is in south west China and the origin of tea can be traced there. There are a number of trees in Yunnan that can be dated back more that 2000 years. The rain forests of Yunnan are rich in diversity, a majority of the flowers that we grow in the US can be traced back to Yunnan.