Streblacanthus

{{Short description|Genus of plants}}

{{Automatic taxobox

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|taxon = Streblacanthus

|authority = Kuntze (1891)

|synonyms = Sciaphyllum {{small|Bremek. (1940)}}

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Streblacanthus is a genus of flowering plants belonging to the family Acanthaceae.{{cite web |title=Streblacanthus Kuntze {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:296552-2 |website=Plants of the World Online |access-date=19 May 2021 |language=en}}

Its native range is Southern Mexico to Central America, Peru to Northern Brazil.