The Black- Eyed -Susan Thunbergia alata is a moderately sized vine. the bright yellow flowers with their black centres make the plant very attractive. It is self seeding , and sometimes becomes invasive.
The Mysore Clock Vine, Thunbergia mysorensis flowers profusely all through the year. Its flowers hang like chandeliers from the support, making it one of the most attractive flowering creepers. It also needs a strong support as it becomes quite heavy over the years.
Thunbergia erecta is a shrub with blue flowers , while Thunbergia fragrans is a vine with white flowers.