Eustachys

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title: "Eustachys" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["chloridoideae", "grasses-of-north-america", "grasses-of-south-america", "grasses-of-argentina", "grasses-of-brazil", "grasses-of-mexico", "grasses-of-the-united-states", "poaceae-genera", "taxa-named-by-nicaise-auguste-desvaux"] description: "Genus of flowering plants" topic_path: "geography/argentina" source: "https://en.wikipedia.org/wiki/Eustachys" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of flowering plants ::

|image = Starr 080604-5952 Eustachys petraea.jpg |image_caption = Eustachys petraea Midway Atoll, Pacific Ocean |display_parents = 3 |taxon = Eustachys |authority = Desv. 1810 not Salisb. 1866 (syn of *Ornithogalum'') |type_species = Eustachys petraea |type_species_authority = (Sw.) Desv. |synonyms_ref = |synonyms =

• Chloroides Fisch. ex Regel
• Schultesia Spreng.

Eustachys (fan grass or fingergrass) is a genus of tropical and subtropical plants in the grass family. It is native primarily to warmer parts of the Americas, with a few species in Africa and Asia.

Species

Species include:

• Eustachys bahiensis (Steud.) Herter - Brazil (Bahia, Paraná, Pernambuco), Bolivia (Chuquisaca, Santa Cruz), Uruguay, Argentina
• Eustachys brevipila (Roseng. & Izag.) Caro & E.A.Sánchez - Uruguay, Argentina (Corrientes, Entre Rios), Brazil (Mato Grosso do Sul, Rio Grande do Sul)
• Eustachys calvescens (Hack.) Caro & E.A.Sánchez - Uruguay, Argentina (Misiones), Paraguay, Brazil (Mato Grosso, Paraná, Santa Catarina)
• Eustachys caribaea (Spreng.) Herter - Uruguay, Argentina, Paraguay, Brazil, Bolivia; naturalized in United States (TX LA MS GA)
• Eustachys distichophylla Nees - Uruguay, Argentina, Chile, Paraguay, Brazil, Bolivia, Peru; naturalized in United States (CA AL GA FL)
• Eustachys floridana Chapm. - United States (AL GA FL)
• Eustachys glauca Chapm. - United States (MS AL GA FL SC NC)
• Eustachys neglecta (Nash) Nash - United States (AL TX FL)
• Eustachys paranensis A.M.Molina - Brazil (Paraná)
• Eustachys paspaloides (Vahl) Lanza & Mattei - Oman, Yemen, eastern + southern Africa from Eritrea to Cape Province
• Eustachys petraea (Sw.) Desv. - United States (TX LA MS AL GA FL SC NC PA NY), Mexico, West Indies (Bahamas, Greater + Lesser Antilles), Central + South America; naturalized on various Pacific Islands (Hawaii, Midway, Carolines, Marianas, Kiribati)
• Eustachys retusa (Lag.) Kunth - Uruguay, Argentina, Paraguay, Brazil, Bolivia; naturalized in United States (TX FL GA SC NY)
• Eustachys swalleniana A.M.Molina - Brazil (Paraná, Rio Grande do Sul), Uruguay (Cerro Largo)
• Eustachys tenera (J.S.Presl) A.Camus - New Guinea, southeast Asia, southern China incl Taiwan
• Eustachys uliginosa (Hack.) Herter - Uruguay, Argentina (Corrientes, Entre Rios, Misiones), Paraguay, Brazil (Paraná, Santa Catarina, Rio Grande do Sul), Bolivia (Santa Cruz)

::figure[src="https://upload.wikimedia.org/wikipedia/commons/e/e9/Eustachys_paspaloides,_blomme,_Skeerpoort.jpg" caption="E. paspaloides]]'' spikelet, showing the white anthers below, and feathery stigmas above."] ::

Former species

Some species formerly under Eustachys are under the genera Chloris or Ornithogalum, they include:

• Eustachys gayana - Chloris gayana
• Eustachys polystachya - Chloris submutica
• Eustachys submutica - Chloris submutica
• Eustachys latifolia - Ornithogalum arabicum
• Eustachys pyramidale - Ornithogalum pyramidale

References

References

1. "Plant Name Details for Poaceae ''Eustachys''' Desv.". [[International Plant Names Index.
2. [http://apps.kew.org/wcsp/namedetail.do?name_id=451502 Kew World Checklist of Selected Plant Families]
3. Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew
4. [http://www.kew.org/data/grasses-db/www/gen00241.htm Grassbase - The World Online Grass Flora]
5. Molina, A. M. 1996. Revisión taxonómica del género ''Eustachys'' Desv. (Poaceae: Chloridoideae, Cynodonteae) de Sudamérica. Candollea 51(1): 225–272
6. [http://www.theplantlist.org/tpl1.1/search?q=Eustachys The Plant List search for ''Eustachys'']
7. Jørgensen, P. M., M. H. Nee & S. G. Beck. 2014. Catálogo de las plantas vasculares de Bolivia. 127(1–2): i–viii, 1–1744. In P. M. Jørgensen, M. H. Nee & S. G. Beck (eds.) Catálogo de las plantas vasculares de Bolivia, Monographs in systematic botany from the Missouri Botanical Garden. Missouri Botanical Garden Press, St. Louis
8. [http://bonap.net/NAPA/TaxonMaps/Genus/County/Eustachys Biota of North America Program 2013 county distribution maps]

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