| Rating | Plant Name | Thumbnail |
| 1 | Ruellia
Ruellia simplex |  |
| 2 | Wild Petunia
Ruellia ciliata f. depressa | No Images Yet |
| 3 | Wild Petunia, Flor de Caipora
Ruellia affinis | No Images Yet |
| 4 | Wild Petunia
Ruellia albiflora | No Images Yet |
5  | Red Christmas Pride
Ruellia amoena |  |
| 6 | Short Leaf Wild Petunia, Tropical Wild Petunia, Tropical Monkey Plant
Ruellia brevifolia |  |
| 7 | Ruellia, Water Bluebell
Ruellia squarrosa |  |
| 8 | Wild Petunia
Ruellia californica |  |
| 9 | Hairy-Flower Wild Petunia
Ruellia ciliatiflora | No Images Yet |
| 10 | Wild Petunia, East Tennessee Pinkroot
Ruellia ciliosa | No Images Yet |
11  | Wild Petunia
Ruellia colorata |  |
| 12 | Corzo's Wild Petunia
Ruellia corzoi | No Images Yet |
| 13 | Rio Grande Wild Petunia
Ruellia davisiorum | No Images Yet |
| 14 | Wild Petunia
Ruellia dipteracantha | No Images Yet |
| 15 | Drummond's Wild Petunia
Ruellia drummondiana |  |
| 16 | Ruellia, Wild Petunia, Brazilian Petunia
Ruellia elegans |  |
| 17 | Wild Petunia
Ruellia formosa | No Images Yet |
| 18 | Wild Hairy Petunia
Ruellia hirta | No Images Yet |
| 19 | Wild Petunia
Ruellia inundata |  |
| 20 | Christmas Pride
Ruellia macrantha |  |
| 21 | Monkey Plant
Ruellia makoyana |  |
| 22 | Creeping Ruellia
Ruellia malacosperma | No Images Yet |
| 23 | Wild Petunia
Ruellia metallica | No Images Yet |
| 24 | Metz's Wild Petunia, Wild White Petunia
Ruellia metziae |  |
| 25 | Wild Petunia
Ruellia muelleri | No Images Yet |
| 26 | Night-Flowering Ruellia
Ruellia noctiflora | No Images Yet |
| 27 | Wild Petunia, Violet Ruellia, Longneck Ruellia
Ruellia nudiflora |  |
| 28 | Western Ruellia, Western Wild Petunia
Ruellia occidentalis |  |
| 29 | Parry's Wild Petunia, Desert Petunia
Ruellia parryi | No Images Yet |
| 30 | Wild Petunia
Ruellia parviflora | No Images Yet |
| 31 | Wild Petunia
Ruellia patula | No Images Yet |
| 32 | Pine Barren Ruellia, Pinewoods Wild Petunia, Stalked Wild Petunia
Ruellia pedunculata subsp. pinetorum | No Images Yet |
| 33 | Desert Petunia, Baja Ruellia
Ruellia californica subsp. peninsularis |  |
| 34 | Wild Petunia
Ruellia portellae | No Images Yet |
| 35 | Purdie's Ruellia
Ruellia purdieana | No Images Yet |
| 36 | Pursh's Wild Petunia
Ruellia purshiana | No Images Yet |
| 37 | Ruellia
Ruellia rosea | No Images Yet |
| 38 | Runyon's Wild Petunia
Ruellia nudiflora var. runyonii | No Images Yet |
| 39 | Smooth Ruellia, Limestone Petunia
Ruellia strepens |  |
| 40 | Thickleaf Wild Petunia
Ruellia succulenta |  |
