Mesadenella is a genus of flowering plants from the orchid family, Orchidaceae. It consists of 7 known species, native to Mexico, Central America and South America: 1. \n* Mesadenella angustisegmenta Garay - Venezuela, Ecuador 2. \n* Mesadenella atroviridis (Barb.Rodr.) Garay - Brazil 3. \n* Mesadenella cuspidata (Lindl.) Garay - from Colombia east to Guyana and south to Argentina 4. \n* Mesadenella meeae R.J.V.Alves - Brazil 5. \n* Mesadenella peruviana Garay - Peru 6. \n* Mesadenella tonduzii (Schltr.) Pabst & Garay - from southern Mexico south to Nicaragua; also ParĂ¡ region of Brazil 7. \n* Mesadenella variegata D.E.Benn. & Christenson - Peru