Hydnocarpus castaneus
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Malpighiales
- family: Achariaceae
- genus: Hydnocarpus
- species: Hydnocarpus castaneus
Lae
Morobe
Papua New Guinea
Iroquois Point- ‘Ewa Beach
Hawaii
United States