Hawaiian trees are an important part of the Hawaiian landscape and culture. The four crossword solutions for the term 'Hawaiian Tree' are PALM, Aalii, Koa, and Naio, Ohia. PALM is a four letter word that refers to a type of tree with a single stem and fan-shaped leaves. Aalii is a five letter word that refers to a type of shrub or small tree found in Hawaii. Koa is a three letter word that refers to a type of large tree native to Hawaii. Naio is a four letter word that refers to a type of shrub or small tree found in Hawaii. Ohia is a four letter word that refers to a type of large tree native to Hawaii.