Genus Trisetum Pers.


Summary
Genus number:
12425
Last updated:
1 August 2025
Family:
Poaceae (alt. Gramineae)
Subfamily:
Pooideae
Tribe:
Poeae
Subtribe:
Aveninae
Accession count:

100 (75  active, 36  available) in National Plant Germplasm System
Comments:
a proposal for conservation (nom. cons.) against the heterotypic synonym (Madrid ICN Art. 14.4) Trisetaria Forssk. has failed


Synonyms
Synonym(s) Possible synonym(s)

Images (2 total. Click on image for more.)
Spikelets and/or florets

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References:
  1. Barberá, P. et al. 2020. Molecular phylogenetic analysis resolves Trisetum (Poaceae: Pooideae: Koeleriinae) polyphyletic: evidence for a new genus, Sibirotrisetum and resurrection of Acrospelion. J. Syst. Evol. 58:517-256. DOI: 10.1111/jse.12523.
  2. Finot, V. L. et al. 2004. A revision of Trisetum, Peyritschia, and Sphenopholis (Poaceae: Pooideae: Aveninae) in Mexico and Central America. Ann. Missouri Bot. Gard. 91:1-30.
  3. Finot, V. L. et al. 2005. A revision of Trisetum (Poaceae: Pooideae: Aveninae) in South America. Ann. Missouri Bot. Gard. 92:533-568.
  4. Finot, V. L. et al. 2005. A revision of Trisetum and Graphephorum (Poaceae: Pooideae: Aveninae) in North America north of Mexico. Sida 21:1419-1453.
  5. Finot, V. L. et al. 2006. Two new combinations in Peyritschia (Poaceae: Pooideae: Aveninae). Sida 22:895-903.
  6. Quintanar, A. & S. Castroviejo. 2010. (1969) Proposal to conserve Trisetum against Trisetaria (Gramineae). Taxon 59:1602-1603. Note: proposal number originally incorrect as "1947"
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/taxonomygenus?id=12425. Accessed 10 May 2026.