Tabernaemontana alternifolia ?

Tabernaemontana alternifolia ?;

Plant of Indonesia 2 : 5 posts by 4 authors. Attachments (1)
We would like to know the name of the following plant please.
Perhaps a dwarf Ervatamia (Tabernaemontana) divaricata...
Agree it's a tabernamontana
how short is the plant and the flower size?
efi page on Tabernaemontana alternifolia (syn: Tabernaemontana divaricata)
Seems to be a species of Tabernaemontana.