The word "yerba" refers to a type of plant, specifically a type of tree or shrub, mostly found in South America. It is commonly used to make herbal tea, called maté, which is popular for its energizing and refreshing properties. Full definition
Their findings partly substantiated the traditional use of Yerba mate tea for improvement of cognition. (bodybuildingforyou.com)
Guayaki offers a blend of yerba mate with green tea and lemon grass. (guayaki.com)
Ah, another Saturday morning and I'm sipping a cup of Yerba Maté tea and listening to the sweet sounds of raccoons fighting in the ceiling and walls above and around me. (angelaquarles.com)