These are plants that you'll find nowhere else in the world. Palau's Moist Tropical Forest supports a high variety of species in a very dense location. These are just a few of those species. There are 105 as of a the last University of Guam survey.
Kelela Charm
Four of Palau's plants are also endangered (as defined by earthsendanger.com). There a variety of threats, but land being turned into monoculture agriculture lands and invasive species are the greatest threats. Unfortunately details on these species are lacking.