Goji tea
Gugi-cha () or goji tea is a traditional Chinese/Korean tea made from dried goji berries or leaves. Traditionally, the tea was made with young goji leaves. Today, mature leaves or, more commonly, berries are used. The tea made with berries may be called gugija-cha () or goji berry tea, while the tea made with leaves is referred to as gugiyeop-cha () or goji leaf tea. Preparation 
Tea using berries is prepared with around  of dried goji berries simmered in two cups of water, wth various possible flavorings or sweeteners added. Leaf tea may be prepared with around  of dried leaves  infused in a cup of hot water. See also 
 Omija-cha

References 

Herbal tea
Chinese tea
Korean tea
Traditional Chinese medicine