Some resources to find more information on native plants:
NATIVE PLANTS HAWAII
http://nativeplants.hawaii.edu/
HAWAII HORTICULTURE - A Blog about gardening and plants in Hawaii
http://hihort.blogspot.com/2011/09/kului.html
A NATIVE HAWAIIAN GARDEN
http://www.nativehawaiiangarden.org/home
PLANTS OF HAWAII - Photos
http://www.starrenvironmental.com/images/