Otachyrium

{{Short description|Genus of grasses}}

{{Automatic taxobox

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|display_parents = 4

|taxon = Otachyrium

|authority =Nees

|type_species = Otachyrium junceum
(syn of O. pterigodium)

|type_species_authority = Nees

|synonyms_ref =

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}}

Otachyrium is a genus of South American plants in the grass family.[http://www.kew.org/data/grasses-db/www/gen00444.htm Grassbase - The World Online Grass Flora][https://www.biodiversitylibrary.org/page/28853952#page/285/mode/1up Nees von Esenbeck, Christian Gottfried Daniel 1829. Flora Brasiliensis seu Enumeratio Plantarum 2(1): 271–273] in Latin; note that page 271 is misnumbered as 273[http://www.tropicos.org/Name/40034736 Tropicos, Otachyrium Nees ]

; Species[http://apps.kew.org/wcsp/namedetail.do?name_id=426899 Kew World Checklist of Selected Plant Families]

• Otachyrium aquaticum Send. & Soderstr. - Bahia, Minas Gerais
• Otachyrium boliviense Renvoize - Bolivia
• Otachyrium grandiflorum Send. & Soderstr. - Venezuela (Amazonas), Brazil (Goiás, Amazonas, D.F., Roraima)
• Otachyrium inaequale Pilg. - Guyana, Suriname, French Guiana, Venezuela, Brazil
• Otachyrium piligerum Send. & Soderstr. - Goiás
• Otachyrium pterigodium (Trin.) Pilg. - Minas Gerais, Amazonas, D.F.
• Otachyrium seminudum Send. & Soderstr. - Goiás, Mato Grosso, D.F.
• Otachyrium versicolor (Döll) Henrard - Guyana, Suriname, French Guiana, Venezuela, Brazil, Colombia, Bolivia, Paraguay, Argentina (Corrientes, Misiones)