|Etymology||Genus||After Johann Jacob Dillen, an 18th century German botanist|
|Synonyms||Wormia suffruticosa Griff.|
|Common Names||Simpoh Air, CB Leaf, Simpoh Ayer|
|Native Distribution||West Malesia|
Dillenia suffruticosa is a a common sun-loving large shrub up to 6m. It is one of the key species in the Adinandra belukar, while also present along forest edges, marshlands, and other secondary forests. The leaves are immediately noticeable, being broad and large with serrated margins. The leaf base has a slit that protects the young bud.They flower and fruit often, both being very striking; the former a bright yellow while the latter will split into a pretty star shape, exposing the reddish seeds.
A cluster of Simpoh in Kent Ridge.
Fold at the leaf base.
Under a forest of Simpoh Air, with their characteristic bending stout stems.