Gardenia remyi
Gardenia remyi, the nānū or Remy's gardenia, is a species of flowering tree in the madder family, Rubiaceae. It is endemic to Hawaii. It inhabits coastal mesic, mixed mesic, and wet forests at elevations of  on Kauai, Molokai, Maui, and the Big Island. It is threatened by habitat loss. References

remyi
Endemic flora of Hawaii
Trees of Hawaii
Taxonomy articles created by Polbot
Critically endangered flora of the United States