Thenardia is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1819. It is native to Mexico and Honduras.World Checklist of Selected plant FamiliesWilliams, J. K. 1998. A revision of Thenardia H.B.K. (Apocynaceae, Apocynoideae). Lundellia 1: 78–94.Morales, J.F. (2009). Estudios en las Apocynaceae neotropicales XXXIX: revisión de las Apocynoideae y Rauvolfioideae de Honduras. Anales del Jardin Botanico de Madrid 66: 217-262.López Patiño, E.J., Szeszko, D.R., Rascala Pérez, J. & Beltrán Retis, A.S. (2012). The flora of the Tenacingo-Malinalco-Zumpahuacán protected natural area, state of Mexico, Mexico. Harvard Papers in Botany 17: 65-167.
Species Thenardia chiapensis J.K.Williams - Chiapas, Oaxaca, Honduras Thenardia floribunda Kunth - Colima, Guerrero, México State, Michoacán, Oaxaca, Jalisco, Morelos Thenardia galeottiana Baill. - Chiapas, Oaxaca, Guerrero
Formerly included Thenardia corymbosa = Forsteronia schomburgkii Thenardia laurifolia = Forsteronia laurifolia Thenardia scabra = Parsonsia scabra Thenardia umbellata = Forsteronia umbellata
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