Dezoito espécies de plantas medicinais usadas no tratamento da malária no estado Bolívar, Venezuela, foram estabelecidas e pertenciam às familias Compositae, Meliaceae, Anacardiaceae, Bixaceae, Boraginaceae, Caricaceae, Cucurbitaceae, Euphorbiaceae, Leguminosae, Myrtaceae, Phytolaccaceae, Plantaginaceae, Scrophulariaceae, Solanaceae e Verbenaceae. As atividades antimaláricas destas plantas parecem estar ligadas a um grupo de compostos que incluem antroquinonas, berberina, flavonoides, limonoides, naftquinonas, sesquiterpenos, quassinoides, indol e alcalóides de quinolina.
Eighteen species of medicinal plants used in the treatment of malaria in Bolívar State, Venezuela were recorded and they belonged to Compositae, Meliaceae, Anacardiaceae, Bixaceae, Boraginaceae, Caricaceae, Cucurbitaceae, Euphorbiaceae, Leguminosae, Myrtaceae, Phytolaccaceae, Plantaginaceae, Scrophulariaceae, Solanaceae and Verbenaceae families. Antimalarial plant activities have been linked to a range of compounds including anthroquinones, berberine, flavonoids, limonoids, naphthquinones, sesquiterpenes, quassinoids, indol and quinoline alkaloids.