Key Features:

Herbal tea, also known as a herbal infusion or tisane, is a beverage made by steeping dried herbs, flowers, fruits, and/or spices in hot water. Unlike traditional tea, which is brewed from the Camellia sinensis plant, herbal teas are made from a variety of other plants and are naturally caffeine-free. 

Key aspects of herbal tea:

Not "true tea":

Herbal teas are not made from the same plant as black, green, and white teas (Camellia sinensis). 

Examples of herbal teas:

peppermint, chamomile, ginger, hibiscus, rooibos, and lavender