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Table 1 The 20 top useful plant species in Burkina Faso based on the relative importance index

From: Traditional plant use in Burkina Faso (West Africa): a national-scale analysis with focus on traditional medicine

Accepted name Family Number of uses Frequency of citation Relative frequency of citation Relative importance index
Khaya senegalensis (Desr.) A.Juss. Meliaceae 9 24 0.5 0.98
Adansonia digitata L. Malvaceae 8 25 0.52 0.944
Diospyros mespiliformis Hochst. ex A.DC. Ebenaceae 8 25 0.52 0.944
Vitellaria paradoxa C.F.Gaertn. Sapotaceae 8 25 0.52 0.944
Balanites aegyptiaca (L.) Delile Zygophyllaceae 8 24 0.5 0.924
Tamarindus indica L. Fabaceae 8 24 0.5 0.924
Parkia biglobosa (Jacq.) R.Br. ex G.Don Fabaceae 8 22 0.46 0.884
Mitragyna inermis (Willd.) Kuntze Rubiaceae 8 21 0.44 0.864
Annona senegalensis Pers. Annonaceae 8 20 0.42 0.844
Sclerocarya birrea (A.Rich.) Hochst. Anacardiaceae 8 20 0.42 0.844
Pterocarpus erinaceus Poir. Fabaceae 8 19 0.4 0.824
Anogeissus leiocarpa (DC.) Guill. & Perr. Combretaceae 7 21 0.44 0.809
Guiera senegalensis J.F.Gmel. Combretaceae 7 21 0.44 0.809
Lannea microcarpa Engl. & K.Krause Anacardiaceae 7 21 0.44 0.809
Piliostigma reticulatum (DC.) Hochst. Fabaceae 8 18 0.38 0.804
Detarium microcarpum Guill. & Perr. Fabaceae 7 20 0.42 0.789
Combretum glutinosum Perr. ex DC. Combretaceae 8 17 0.35 0.784
Ficus sycomorus L. Moraceae 7 19 0.4 0.769
Sterculia setigera Delile Malvaceae 7 19 0.4 0.769
Ximenia americana L. Ximeniaceae 7 19 0.4 0.769
  1. Number of uses = Number of different uses of the species (from a total of 10 categories; see Figure 1); frequency of citation = number of references naming a use of this species. Relative importance index: calculation modified after [28] as described in the methods section.