|Etymology||Genus||Hook; referring to the characteristic recurved hooks of this genus|
|Species||Having heart-shaped leaves|
|Synonyms||Restiaria cordata Lour.|
|Common Names||Heart-shaped Uncaria|
|Native Distribution||Indochina, Malesia, and Queensland|
One must know how to identify an Uncaria species first, which is a climber, with opposite leaves and have a pair of large recurved hooks at the base of the petioles. Uncaria cordata has broad large leaves with cordate bases and have a diagnostic bi-lobed stipule (Tan et al., 1995).
Form of the Heart-shaped Uncaria climbing at a forest fringe at Mandai Track 7.
Leaves are opposite with heart-shaped bases.
Recuved hooks. The stipule is divided into two lobes, a diagnostic feature.
Ball of yellow-white flowers.