Rehmannia and Cunninghamia are both native to what country?
Rehmannia Rehmannia is a genus of six species of flowering plants in the order Lamiales, endemic to China.
Hetaeria Hetaeria is a genus of flowering plants from the orchid family, Orchidaceae. It is native to Africa, Asia (including India, China, Southeast Asia etc,), Australia, New Guinea, and various islands of the Indian and Pacific Oceans.