Troupin, G. (1958)
Burseraceae Flore du Congo Belge et du Ruanda-Urundi Volume VII 132-146
Wild, H. (1963)
Burseraceae Flora Zambesiaca 2(1)
Description of the family
Trees or shrubs, sometimes spiny. Stipules 0. Leaves (in ours) alternate, imparipinnate or 1-2-foliolate, often congested at branch ends. Flowers unisexual or (rarely) bisexual. Ovary superior, 2-5-locular. Fruit a drupe.
Worldwide: 17 genera and 540 species, tropics, especially America and NE Africa.