What continent do both Witch-hazel and Broussonetia have native species originations?
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"). Broussonetia: Broussonetia is a genus of four species of trees in the family Moraceae, native to eastern Asia.
Asia