Thunbergia natalensis

About

Thunbergia natalensis is a species of flowering plant in the family Acanthaceae, that is native to parts of mainland Africa, including South Africa, Eswatini, Tanzania, Ethiopia, Malawi and Zimbabwe. It occurs in forest margins, bush and grassland. Normally evergreen, it responds to dry or cold winters by losing its leaves and going dormant. Common names include dwarf thunbergia, Natal blue thunbergia and Natal blue-bell.

Summary from Wikipedia