 The upper montane forests and cloud forests include plants characteristic of afromontane flora, including "Olea capensis, Syzygium guineense", and "Pauridiantha floribunda", and the endemic trees "Afrocarpus mannii, Tabernaemontana stenosiphon, Homalium henriquesii, Croton stelluliferus, Polyscias quintasii," and "Craterispermum montanum".There are 37 endemic plant species on Príncipe, 95 on São Tomé (along with one endemic genus), and 20 on Annobón.Only 16 of the islands' endemic plants are shared by more than one island.