Tentative identification: Serianthes kanehirae Fosberg var. yapensis Fosberg. with thanks to W. Law at the New York Botanic Garden and D. Lorence at the National Tropical Botanic Garden.
Further information on Serianthes kanehirae at other sites:
Palauan Bai - Traditional Meeting Hall
Ukall (Monkeypod) Serianthes kanehirae
• Note that USDA plants refers to Pithecellobium dulce (Roxb.) Benth. as monkeypod
Serianthes kanehirae var. yapensis
The flower has five of the white petal-like features.
Leaflet underside.
Tentatively:
Kingdom: Plantae - plants
Phylum: Tracheophyta
Class: Magnoliopsida - dicotyledons
Order: Fabales
Family: Mimosaceae
Genus: Serianthes
Species: kanehirae Fosberg
Variety: yapensis
Botanical Name: Serianthes kanehirae var. yapensis Fosberg