What is kauai's state flower?

== == The niu served as the official tree until April 30, 1959. On May 1, 1959, with Joint Resolution No. 3, the 30th Territorial Legislature of Hawaii approved the Kukui, or Candlenut Tree, (Aleurites moluccana), as the official tree of the State of Hawaii.
Candlenut tree.
The Kukui nut tree.