Meryta sinclairii, puka, is native to the Three Kings Islands and (possibly) the Hen & Chickens Islands.    From Wordnik.com.  [Museum Blogs] Reference

Meryta sinclairii, puka.    From Wordnik.com.  [Museum Blogs] Reference

Meryta is a close relative of Pseudopanax.    From Wordnik.com.  [Museum Blogs] Reference

Other common tree genera here include Homalium, Canthium, Alyxia, Coprosma, Meryta, and Metrosideros.    From Wordnik.com.  [Cook Islands tropical moist forests] Reference