The New Zealand Mountain Pine, also known as the Westland Pine or Kahikatea, is a type of coniferous tree native to the South Island of New Zealand. It is a slow-growing tree that can reach heights of up to 30 meters and has a spiky appearance due to its sharp needles. In botanical terms, it is also known as Halocarpus bidwillii. Synonyms for the New Zealand Mountain Pine include Dacrydium bidwillii, Lagarostrobus bidwillii, and Podocarpus ferrugineus. This unique tree plays an important role in New Zealand's ecosystem and is a popular choice for ornamental gardens due to its striking appearance.