Thunbergia alata Sunny Susy Brownie ('Sumthun 04'PBR) (Sunny Susy Series) is a climbing, evergreen member of the Acanthaceae grown for its twining stems and summer flowering. It prefers full sun on a neutral loam with free drainage and a sheltered, south-facing aspect. As an H2 (half-hardy) plant it benefits from siting where frost exposure is limited or from winter protection under glass. It suits walls, containers and conservatory display.

Thunbergia alata Sunny Susy Brownie ('Sumthun 04'PBR) prefers full sun on neutral loam in a sheltered, south-facing spot and flowers June to October.

Thunbergia is a genus of flowering plants in the family Acanthaceae. It includes 150 species native to tropical and subtropical regions of sub-Saharan Africa, Madagascar, southern Asia, New Guinea, and Australia.