FadogiaFadogia is a genus of flowering plants in the family Rubiaceae. The genera Rytigynia and Fadogia form a strongly supported clade but neither of these genera is monophyletic.DistributionFadogia is found in Tropical Africa. F. cienkowskii and F. tetraquetra have the largest distribution and occur from Guinea to the Transvaal province. F. ancylantha and F. erythrophloea are also found in many African countries, but they don't occur so far south. The countries with the highest number of species are Angola, Democratic Republic of the Congo, Zambia, Tanzania, and Central [African Republic].Bacterial leaf symbiosisEndophytic bacteria are housed in the intercellular space of the leaf mesophyll tissue. The presence of these bacteria can only be microscopically ascertained. The bacteria are identified as Burkholderia, which is a genus that is also found in the leaves of other Rubiaceae species. The hypothesis is that these endophytic bacteria provide chemical protection against insect herbivory.GousiekteFadogia homblei is known to cause gousiekte, a cardiotoxicosis of ruminants characterised by heart failure four to eight weeks after ingestion of certain rubiaceous plants.SpeciesFadogia ancylantha Schweinf.Fadogia andersonii RobynsFadogia arenicola K.Schum. & K.KrauseFadogia audruana M.Fay, J.-P.Lebrun & StorkFadogia butayei De Wild.Fadogia caespitosa RobynsFadogia chlorantha K.Schum.Fadogia chrysantha K.Schum.Fadogia cienkowskii Schweinf.Fadogia elskensii De Wild.Fadogia erythrophloea Hutch. & DalzielFadogia fragrans RobynsFadogia fuchsioides Schweinf. ex Oliv.Fadogia glaberrima Welw. ex HiernFadogia gossweileri RobynsFadogia graminea WernhamFadogia homblei RobynsFadogia lactiflora Welw. ex HiernFadogia latifolia A.Chev. ex RobynsFadogia leucophloea Schweinf. ex HiernFadogia luangwae Verdc.Fadogia oblongolanceolata RobynsFadogia obscura A.Chev. ex RobynsFadogia olivacea RobynsFadogia parvifolia Verdc.Fadogia pobeguinii Pobég.Fadogia punctulata RobynsFadogia rostrata RobynsFadogia salictaria S.MooreFadogia schmitzii Verdc.Fadogia spectabilis Milne-Redh.Fadogia stenophylla Welw. ex HiernFadogia tetraquetra K.Schum. & K.KrauseFadogia tomentosa De Wild.Fadogia triphylla BakerFadogia variifolia RobynsFadogia verdcourtii TennantFadogia verdickii De Wild. & T.DurandFadogia vollesenii Verdc.