All Species in Ruellia
- Browne's Blechum (Ruellia blechum)
- Carolina Wild Petunia (Ruellia caroliniensis)
- Corzo'S Wild Petunia (Ruellia corzoi)
- Drummond's Wild Petunia (Ruellia drummondiana)
- Drushel'S Wild Petunia (Ruellia drushelii)
- Fringeleaf Wild Petunia (Ruellia humilis)
- Limestone Wild Petunia (Ruellia strepens)
- Metz's Wild Petunia (Ruellia metziae)
- Minnieroot (Ruellia tuberosa)
- Nightflowering Wild Petunia (Ruellia noctiflora)
- Parry's Wild Petunia (Ruellia parryi)
- Pursh's Wild Petunia (Ruellia purshiana)
- Softseed Wild Petunia (Ruellia simplex)
- Stalked Wild Petunia (Ruellia pedunculata)
- Yerba Maravilla (Ruellia coccinea)