The JinJen Octagon, built in 1703 A.D.was one type of Hinayana Buddhist architecture. It was used as a venue for meeting and chanting amongst monks. During the Cultural Revolution, Chinese government forbade people from participating in any religious activities. Many monks at the JinJen Octagon were sent back to their countriesor hometowns. The revolution ended in 1976. Restrictions on religious activities were lifted in the 1980s and JinJen Octagon gradually regained its vitality.

Experts  congregated at the JinJen Octagon to discuss plantsspecies, tree growths and usage surrounding it. The biggest tree around the JinJen Octagon is the Bodhi tree (sacredfig). Next to it is a Blossoming Tree, which is known as the Golden Lotus forits shape. The Golden Lotus belongs to the Musaceae family. Growing on the Bodhi tree was Lumeria Rubra and ferns. Therefore, the Bodhi tree itselfis regarded as a botanical garden.