Israel’s Hishtil Nurseries produces the Cola plant (Artemisia abrotanum). Its leaves give a caramel flavor to hot and cold beverages, and even salads, stews and stir-fries. It is one of 250 kinds of culinary herbal plants exported by Hishtil across Western Europe and North America.

http://www.israel21c.org/forget-coke-and-pepsi-put-cola-flavored-leaves-in-drinks/