|genus = Geniostoma
|species = astylum
|authority = A.Gray
}}Geniostoma astylum is a species of plant in the Loganiaceae family. It is endemic to French Polynesia.
References
{{Taxonbar|from=Q5433221}}{{Gentianales-stub}} 4 : Flora of French Polynesia|Geniostoma|Near threatened plants|Taxonomy articles created by Polbot