Smilax glabra

Smilax glabra, the Chinaroot, tufuling (土茯苓) or sarsaparilla, is a plant species in the genus Smilax. It is native to China, the Himalayas, and Indochina.

Smilax glabra is used in Chinese herbology. It is also a key ingredient in the Chinese medical dessert guīlínggāo, which makes use of its property to set certain kinds of jelly.