Orchid is one of the most popular flowers in China. Elegant and fragrant, they are usually related to the noble personality by Chinese litterateurs.

The lady's-slipper is a precious kind of orchid. Their most distinctive feature is the saccate labellum looking like small lanterns. Looking from the top down, there are shaped like slippers. Besides, the petal and the sepal are formed like an elegant lady wearing a top hat. That's the reason why they are named "lady's slippers".

China is the country owning the greatest types of lady's-slippers. For example, Cypripedium palangshanense are distributed in Sichuan Province. They are carmine and have the round labellum. Besides, there're Cypripedium tibeticum, Cypripedium yunnanense, Cypripedium shanxiense, etc. The lady's-slippers are of medical use. Their stubbed rhizome can induce diuresis to alleviate edema and invigorate the circulation of blood.