Esterhazya
{{Short description|Genus of plants}}
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|taxon = Esterhazya
|authority = J.C.Mikan
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Esterhazya is a genus of flowering plants belonging to the family Orobanchaceae.{{cite web |title=Esterhazya J.C.Mikan {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:330776-2 |website=Plants of the World Online |access-date=26 May 2021 |language=en}}
It is native to Bolivia, Brazil and Paraguay.
Its genus name of Esterhazya is in honour of Hungarian Nikolaus II, Prince Esterházy (1765–1833),{{cite book | last=Burkhardt | first=Lotte | title=Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition |trans-title=Index of Eponymic Plant Names – Extended Edition | publisher=Botanic Garden and Botanical Museum, Freie Universität Berlin | year=2018 | isbn=978-3-946292-26-5 | url=https://doi.org/10.3372/epolist2018 |format=pdf |language=German |location=Berlin | doi=10.3372/epolist2018 |access-date=1 January 2021}} and it was first published and described in Del. Fl. Faun. Bras. on table 5 in 1820.
- Esterhazya caesarea {{small|(Cham. & Schltdl.) V.C.Souza}}
- Esterhazya eitenorum {{small|Barringer}}
- Esterhazya macrodonta {{small|(Cham.) Benth.}}
- Esterhazya nanuzae {{small|V.C.Souza}}
- Esterhazya splendida {{small|J.C.Mikan}}
- Esterhazya triflora {{small|R.B.Moura & R.J.V.Alves}}