| Spathacanthus hahnianus Baill. | Acanthaceae | SC SE North America (S Mexico, Guatemala) | SC SE | S? |  | hyg |  | Macfadyena simplicifolia Donn.Sm.
Ruellia macrocarpus Sessé & Moç.
Spathacanthus donnell-smithianus Lindau
Spathacanthus donnell-smithii Lindau
Spathacanthus simplicifolius (Donn.Sm.) Leonard | Hahn spathacanthus | spathacanthe de Hahn |  |  |  |