👉 Thunbergia is a genus of flowering plants in the family Apiaceae, native to East Asia and North America. The specific name "thunbergii" refers to the tree's large leaves that are similar to those of the Japanese cherry (Prunus japonica), which it bears. The genus Thunbergia has over 10 species, with a wide range of sizes and shapes. They can grow up to 3 meters tall and reach heights of up to