plant used for medicine witch-hazel plant PLANTS:HAMAM Hamamelis spp. Hamamelis L. Hamamelis Witch-hazels (*Hamamelis*) are a genus of flowering plants in the family *Hamamelidaceae*, with four species in North America (*H. mexicana, H. ovalis, H. virginiana, H. vernalis*), and one each in Japan (*H. japonica*) and China (*H. mollis*). The leaves and bark of the North American witch-hazel, *Hamamelis virginiana*, may be used to produce an astringent decoction as a cooling agent for various uses in traditional medicine, herbalism, and skincare products. [https://en.wikipedia.org/wiki/Witch-hazel] hamamelis requires discussion