Botanical names: Cratoxylum glaucum, Cratoxylum microphyllum, Cratoxylum polystachyum, Cratoxylum procerum
Common name: Gerangan
Family: Hypericaceae
Origin: Kalimantan
Similar plants: Cratoxylum glaucum (Gerangan)
Link to this plant:
https://toptropicals.com/catalog/uid/cratoxylum_glaucum.htm