| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Thunbergia | alata | 673 |
| 2 | Thunbergia | grandiflora | 285 |
| 3 | Thunbergia | erecta | 111 |
| 4 | Thunbergia | fragrans | 98 |
| 5 | Thunbergia | mysorensis | 93 |
| 6 | Thunbergia | laurifolia | 48 |
| 7 | Thunbergia | atriplicifolia | 29 |
| 8 | Thunbergia | natalensis | 17 |
| 9 | Thunbergia | dregeana | 12 |
| 10 | Thunbergia | reticulata | 10 |
| 11 | Thunbergia | neglecta | 8 |
| 12 | Thunbergia | coccinea | 6 |
| 13 | Thunbergia | gregorii | 5 |
| 14 | Thunbergia | convolvulifolia | 2 |
| 15 | Thunbergia | lancifolia | 2 |
| 16 | Thunbergia | pondoensis | 2 |
| 17 | Thunbergia | lutea | 1 |
| 18 | Thunbergia | purpurata | 1 |
| 19 | Thunbergia | venosa | 1 |
| 20 | Thunbergia | torridus | 1 |
| 21 | Thunbergia | amoena | 1 |
| 22 | Thunbergia | battiscombei | 1 |
| 23 | Thunbergia | capensis | 1 |
| 24 | Thunbergia | crispa | 1 |
| 25 | Thunbergia | hossei | 1 |
| 26 | Thunbergia | rufifemur | 1 |