|genus = Hydnocarpus
|species = hainanensis
|authority = (Merr.) Sleumer
}}Hydnocarpus hainanensis is a species of plant in the Achariaceae family. It is found in China and Vietnam. It is threatened by habitat loss.
References
{{Taxonbar|from=Q5456468}}{{malpighiales-stub}} 4 : Hydnocarpus|Vulnerable plants|Taxonomy articles created by Polbot|Plants described in 1923