Taxon: Setaria tenax (Rich.) Desv.

Summary

Genus:

Setaria

Family:

Poaceae (alt. Gramineae)

Subfamily:

Panicoideae

Tribe:

Paniceae

Subtribe:

Cenchrinae

Nomen number:

103550

Place of publication:

Opusc. sci. phys. nat. 78; Mém. Soc. Agric. Angers 1:182. 1831

Protologue link:

https://gallica.bnf.fr/ark:/12148/bpt6k98340t

Verified:

10/17/2000 ARS Systematic Botanists.

Accessions:

1 (0 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym
Panicum tenax Rich.

Heterotypic Synonym(s)
Chaetochloa impressa (Nees) Hitchc. & Chase
Panicum impressum Nees
Setaria impressa (Nees) Kunth

No images

Conservation Status

Reference(s)

Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
Brenner, D. M. et al. 2019. Chapter 2. North American wild relatives of grain crops. In: Green, S. L. et al., North American crop wild relatives. Volume 2. Important species. 2:41-82. DOI: 10.1007/978-3-319-97121-6_2. Note: cited Setaria tenax as an understudied species, and a probable member of the tertiary gene pool of foxtail millet
Catasús Guerra, L. J. 2002. Las gramíneas (Poaceae) de Cuba, II. Cavanillesia Altera 3:1-163.
Davidse, G. et al., eds. 1994. Flora mesoamericana.
Dávila, P. et al. 2018. Conocimiento taxonómico de la familia Poaceae en México . Bot. Sci. 96:510. DOI: 10.1729/botsci.1894.
Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
Howard, R. 1974-1989. Flora of the lesser Antilles.
McVaugh, R. 1983-. Flora Novo-Galiciana.
Pensiero, J. F. 1999. Las especies sudamericanas del género Setaria (Poaceae, Paniceae). Darwiniana 37:109-111.
Renvoize, S. A. 1984. The grasses of Bahia
Renvoize, S. A. 1998. Gramineas de Bolivia
Rominger, J. M. 1962. Taxonomy of Setaria (Gramineae) in North America. Illinois Biol. Monogr. 29:42.
Sánchez-Ken, J. G. 2018. Riqueza de especies y listado de las gramíneas (Poaceae) de México . Acta Bot. Mex. 126:e1379, page 49. DOI: 10.21829/abm126.2019.1379. Note: recognized with two varieties
Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
Toolin, L. & J. R. Reeder. 2000. The status of Setaria macrostachya and its relationship to S. vulpiseta (Gramineae). Syst. Bot. 25:26-32. DOI: 10.2307/2666670. Note: as a distinct species commenting on vouchers misidentified as Setaria macrostachya
Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
Walker, E. 1976. Flora of Okinawa and the southern Ryukyu Islands. Note: cult.
Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:589.

Common names

Language	Name	Alternate name	note	seq	Citation
Spanish	paja imán			2	Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
Spanish	wama'ipun			2	Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Reference
1	Native	Northern America	Northern Mexico	Mexico	Nuevo León	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Campeche	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Guerrero	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Jalisco	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Puebla	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Quintana Roo	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Tabasco	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Yucatán	Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Southern America	Brazil	Brazil		Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:589.
1	Native	Southern America	Caribbean	Barbados		Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Cuba
1	Native	Southern America	Caribbean	Dominica		Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Trinidad and Tobago
1	Native	Southern America	Central America	Belize		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Costa Rica		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	El Salvador		Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:589.
1	Native	Southern America	Central America	Guatemala		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Honduras		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Nicaragua		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Panama		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Northern South America	French Guiana		Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
1	Native	Southern America	Northern South America	Guyana		Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
1	Native	Southern America	Northern South America	Suriname		Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
1	Native	Southern America	Northern South America	Venezuela		Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:589.
1	Native	Southern America	Southern South America	Argentina
1	Native	Southern America	Southern South America	Paraguay
1	Native	Southern America	Western South America	Bolivia		Renvoize, S. A. 1998. Gramineas de Bolivia
1	Native	Southern America	Western South America	Colombia		Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:589.
1	Native	Southern America	Western South America	Peru		Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45

Native
Northern America

NORTHERN MEXICO: Mexico [Nuevo León, San Luis Potosí]
SOUTHERN MEXICO: Mexico [Campeche, Chiapas, Guerrero, Jalisco, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz de Ignacio de la Llave, Yucatán]

Southern America

CARIBBEAN: Barbados, Cuba, Dominica, Trinidad and Tobago
CENTRAL AMERICA: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama, El Salvador
NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela
BRAZIL: Brazil
WESTERN SOUTH AMERICA: Bolivia, Colombia, Peru
SOUTHERN SOUTH AMERICA: Argentina, Paraguay

Reference(s)

Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
Davidse, G. et al., eds. 1994. Flora mesoamericana.
Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
Howard, R. 1974-1989. Flora of the lesser Antilles.
Renvoize, S. A. 1998. Gramineas de Bolivia
Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:589.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=103550. Accessed 12 May 2026.