Helodeaster
{{Short description|Genus of flowering plants}}
{{Automatic taxobox
|image = Keysseria helenae jpg.jpg
|image_caption = Helodeaster helenae
|taxon = Helodeaster
|authority = G.L.Nesom (2020)
|subdivision_ranks = species
|subdivision =
- Helodeaster erici {{small|(C.N.Forbes) G.L.Nesom}}
- Helodeaster helenae {{small|(C.N.Forbes & Lydgate) G.L.Nesom}}
- Helodeaster maviensis {{small|(H.Mann) G.L.Nesom}}
|subdivision_ref = [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77212633-1 Helodeaster G.L.Nesom]. Plants of the World Online. Retrieved 19 May 2024.
}}
Helodeaster is a genus of flowering plants in the sunflower family, Asteraceae. It includes three species endemic to the Hawaiian Islands.
- Helodeaster erici {{small|(C.N.Forbes) G.L.Nesom}} – Kauai
- Helodeaster helenae {{small|(C.N.Forbes & Lydgate) G.L.Nesom}} – Kauai
- Helodeaster maviensis {{small|(H.Mann) G.L.Nesom}} – Maui and southern Molokai