In ancient China, the emperor and the powerful had always regarded immortality as their ultimate goal.
So those alchemists and warlocks who could refine the elixir of immortality became their fans. Some strange plants that can live forever have naturally become the objects of everyone's pursuit.
"Compendium of Materia Medica" is divided into 52 volumes. It records as many as 1,892 kinds of medicines and incorporates a large number of biological theories. It is known as the most influential natural history work in the world so far. However, there are still some plants that have not been recorded in the excavations of this long history. They are not used by people, but they really exist...
