Are Witch-hazel and Bikkia endemic to North America?
Witch-hazel 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", and "H. vernalis"), and one each in Japan ("H. japonica") and China ("H. mollis"). The North American species are occasionally called winterbloom.
Trichocladus ellipticus Trichocladus ellipticus is a species in the genus "Trichocladus", in the family Hamamelidaceae. It is also called white witch-hazel.