Sydney Sarsaparilla, Smilax glyciphylla, is a native medicinal plant which was widely used by herbalists in Sydney at the end of the 19th century. Sydney Sarsaparilla was claimed it to be superior to official sarsaparilla. A blood purifier, usually taken as a tea. Protected, partially shaded position. Perennial vine, growing to 3m. Also known as Sweet Sarsaparilla.