Guaicum Lignum-vitae 6 Warm Americas. All species look alike. Hippomane Manchineel 5 Mexico to West Indies. All species look alike. Hymenaea Courbaril 15 Tropical America.
All species look alike.
Ilex Holly 400 Cosmopolitan. All species look alike. Butternuts can be separated from Walnuts. Tropical, American Black and European Walnuts can sometimes be separated based on their micro-anatomy, depending on sample size. 50 Northern hemisphere, tropical Africa and the mountains of the West Indies.