Lamourouxia is a genus of flowering plants belonging to the family Orobanchaceae.

Its native range is Mexico to Peru. It is found in the countries of Belize, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panamá and Peru. Kew also adds Magadan in Russia, this could be a random mistake.

The genus name of Lamourouxia is in honour of Jean Vincent Félix Lamouroux (1779–1825), a French biologist and naturalist, noted for his seminal work with algae. It was first described and published in F.W.H.von Humboldt, A.J.A.Bonpland & C.S.Kunth, Nov. Gen. Sp. Vol.2on page 335 in 1818.

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