High Quality Content by WIKIPEDIA articles! Pu-erh, Pu'er tea, Puer tea or Bolay tea is a type of tea made from a "large leaf" variety of the tea plant Camellia sinensis and named after Pu'er county near Simao, Yunnan, China.Pu-erh tea can be purchased as either raw/green (sheng) or ripened/cooked (shu), depending on processing method or aging. Sheng pu-erh can be roughly classified on the tea oxidation scale as a green tea, and the shou or aged-green variants as post-fermented tea. The fact that pu-erh fits in more than one tea type poses some problems for classification. For this reason, the "green tea" aspect of pu-erh is sometimes ignored, and the tea is regarded solely as a post-fermented product.