Naupaka kuahiwi or Ridgetop naupaka  Goodeniaceae Endemic to the Hawaiian Islands Seeds for this plant originally come from the northern Waiʻanae Mountains, Oʻahu Oʻahu (Cultivated)  Early Hawaiians used the fruits of naupaka kuahiwi to produce a purplish black dye.  nativeplants.hawaii.edu/plant/view/Scaevola_gaudichaudii