So far, I posted twice about the less common and red flower Xanthostemon youngii.
This is in fact an uncommon variegated version of the Golden Penda. However, it is so slow growing. I planted seven of them at the Golden Garden amidst the variegated Nerium oleander(common name: Oleander) from the Apocynaceae Family. A former contractor worker pruned off the apical shoot of one of the variegated plants, thinking it was the Oleander.
Some links on the Golden Penda are attached below: