Mountain dense grass and mountain dense tea are also called: longevity tea, oolong grass root tea, Yunnan longevity grass, Guangxi Bama mountain dense grass and keel tea.

Tieguanyin tea stalk. More popular than Ilex pubescens. Honey grass, also known as longevity grass, is a longevity treasure of Miao ancient village in Yunnan. Li Shizhen's Compendium of Materia Medica and Grand Ceremony of Traditional Chinese Medicine have detailed records. There are many branches of herbaceous plants, and most of them grow in barren and dry hillsides, hills and wild jungles. The branches and leaves are fragrant and sweet, only distributed in the deep forests of Yunnan, Guangxi and Sichuan in China. Buddleja officinalis has the effects of clearing away heat and toxic materials, cooling and relieving summer heat, moistening throat and lungs, diminishing inflammation, promoting diuresis and relaxing bowels. It is a natural drink suitable for all ages.