| Acanthaceae | |
Ruellia tubiflora fo. bicolor
| Leonard | Contr. U.S. Natl. Herb. 31: 92 | 1951 |
| Acanthaceae | |
Ruellia tubiflora var. hirsuta
| Leonard | Contr. U.S. Natl. Herb. 31(1): 93 | 1951 |
| Acanthaceae | |
Ruellia tubiflora var. parviflora
| Leonard | Contr. U.S. Natl. Herb. 31(1): 93 | 1951 |
| Acanthaceae | |
Ruellia tubiflora fo. tetrastichantha
| (Lindau) Wassh. | Fl. Ecuador 89: 270-271 | 2013 |
| Acanthaceae | |
Ruellia tubiflora var. tetrastichantha
| (Lindau) Leonard | Contr. U.S. Natl. Herb. 31(1): 91–92 | 1951 |
| Acanthaceae | |
Ruellia tubiflora var. tubiflora
| | | |