Letestua is a monotypic genus of plants in the family Sapotaceae, described as a genus in 1917.Tropicos, Letestua Lecomte Chevalier, Auguste Jean Baptiste. 1917. Les végétaux Utiles de l'Afrique Tropical Française 9: 257Lecomte, Paul Henri. 1920. Notulae Systematicae. Herbier du Museum de Paris 4: 3-7 descriptions in Latin, commentary in French, line drawings as illustrations
The genus name of Letestua is in honour of Georges Marie Patrice Charles Le Testu (1877–1967), who was a French colonial administrator in tropical Africa and later worked at a botanical garden in Caen.
There is only one recognized species, Letestua durissima. It is native to Gabon and West Congo.Kew World Checklist of Selected Plant Families
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