Recently, forest rangers in Mengwang Township, Xishuangbanna, Yunnan Province, discovered a unique shaped orchid called the tail calyx leafless orchid. The tail calyx leafless orchid has extremely strict requirements for the growth environment and only grows in the bottom of the forest at an altitude of 1,200 meters. It is listed as a rare protected species. The tail calyx leafless orchid is extremely rare in the world. This 1.7-meter-tall tail calyx leafless orchid has extremely high scientific research and ecological value.