Synonyms for Tarwood (same or very similar meaning)
WordNet sense 1 (New Zealand shrub):
tar-wood, Dacrydium bidwilli, Halocarpus bidwilli, New Zealand mountain pineWordNet sense 2 (New Zealand silver pine of conical habit with long slender flexuous branches; adapted to cold wet summers and high altitudes):
Dacrydium colensoiFrom the ODE community, based on WordNetadd/edit