Guelder Rose

Guelder Rose (Viburnum opulus) is a plant originally from Asia and Europe, naturalized in North America. The fruits have a very sour taste and can be eaten by humans only in small quantities, because they have a low degree of toxicity. The herb is known for its relaxing properties of smooth muscle in the colon, bronchi, uterus, being used in the treatment of abdominal cramps, asthma; it has also a sedative action