Synonyms for Puka (same or very similar meaning)
WordNet sense 1 (South American shrub or small tree having long shining evergreen leaves and panicles of green or yellow flowers):
Griselinia lucidaWordNet sense 2 (small roundheaded New Zealand tree having large resinous leaves and panicles of green-white flowers):
Meryta sinclairiiFrom the ODE community, based on WordNetadd/edit