Thunbergia fragrans Roxb.

Etymology Genus After Carl Peter Thunberg, a Swedish botanist
Species Fragrant
Family Acanthaceae
Synonyms Roxburghia rostrata Russell ex Nees
Common Names Sweet Clock Vine, White Lady, White Thunbergia
Status Exotic: Naturalised
Form Climber
Native Distribution Southeastern Asia and Malesia


Thunbergia fragrans have a very distinct leaf shape, which always reminds me of a knight's shield. It has a pronounced drip-tip and two short wings at the base. It climbs via its twining stem. It is common at open forest edges and seem to be able to tolerate semi-shade too.

Interesting Facts:

Henderson (1959) said that it is found natively on limestone at the north of Peninsular Malaysia.

The Sweet Clock Vine is a common climber of sunny areas.

The leaf shape is very distinctive with two short lobes at the base.

Flowers are white and five petaled.

Fruit is a capsule with an extended 'beak'.


Henderson MR. (1959) Malayan Wild Flowers: Dicotyledons. Malayan Nature Society, Kulau Lumpar, Malaysia. 478 pp.

Author: Jake
Posted: 2013-03-21 / Modified: 2017-12-25