Tintinnabularia is a genus of flowering plants in the dogbane family, Apocynaceae, first described for modern science as a genus in 1936. It is native to S Mexico, Guatemala, and Honduras. Species \n* Tintinnabularia gratissima J.F.Morales - Veracruz \n* Tintinnabularia mortonii Woodson - Oaxaca, Chiapas, Guatemala \n* Tintinnabularia murallensis J.K.Williams - Honduras