Genus;Annickia;Greenwayodendron;Mwasumbia;Sirdavidia;"Piptostigma fasciculatum";Piptostigma;Polyceratocarpus;Character;;;;;;; "Species diversity/distribution";"8 / West and Central Africa, 1 species in East Africa";"2 / West and Central Africa";"1 / Tanzania";"1 /Gabon";"1 / Central Africa";"~14 / Central and West Africa";"8 / West and Central Africa, 2 species in East Africa" "Tertiary venation";intermediate;reticulate;intermediate;reticulate;parallel;parallel;parallel "Inflorescence position";terminal;terminal;axillary;"axillary, cauliflorous";axillary;"axillary, cauliflorous";"axillary, cauliflorous" "Sex distribution";bisexual;androdioecious;"bisexual (?)";"androdioecious (?)";bisexual;bisexual;androdioecious "Sepal aestivation";valvate;imbricate;imbricate;valvate;valvate;valvate;valvate "Petal number";3;6;6;6;6;6;6 "Petal disposition";"Upright, appressed forming a pollination chamber";"Spreading horizontally, no pollination chamber";"Outer petals recurved backwards, inner petals erect upwards, no pollination chamber";"Recurving backwards to spreading horizontally, no pollination chamber";"Pendulous, no pollination chamber";"Upright, appressed forming a pollination chamber";"Outer petals recurved backwards or erect upwards, inner petals erect upwards, pollination chamber possible" "Petal relative length";"outer absent";outer=inner;outer=inner;outer=inner;outer