Louteridium
{{Short description|Genus of plants}}
{{Automatic taxobox
|image = Louteridium_panamensis.JPG
|image_caption =Louteridium panamensis
|taxon = Louteridium
|authority = S.Watson (1888)
|synonyms = Neolindenia {{small|Baill. (1890)}}
}}
Louteridium is a genus of flowering plants belonging to the family Acanthaceae.{{cite web |title=Louteridium S.Watson {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:294659-2 |website=Plants of the World Online |access-date=5 February 2024|language=en}}
Its native range is Mexico to Central America.
- Louteridium brevicalyx {{small|A.T.Richardson}}
- Louteridium chartaceum {{small|Leonard}}
- Louteridium costaricense {{small|Radlk. & Donn.Sm.}}
- Louteridium dendropilosum {{small|T.F.Daniel}}
- Louteridium donnell-smithii {{small|S.Watson}}
- Louteridium koelzii {{small|Miranda & McVaugh}}
- Louteridium mexicanum {{small|(Baill.) Standl.}}
- Louteridium parayi {{small|Miranda}}
- Louteridium purpusii {{small|Brandegee}}
- Louteridium rzedowskianum {{small|T.F.Daniel}}
- Louteridium tamaulipense {{small|A.T.Richardson}}