Tridens (plant)

fluffgrass
Tridens flavus
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Subfamily: Chloridoideae
Tribe: Eragrosteae
Genus: Tridens
Roem. & Schult.[1]
Type species
Tricuspis caroliniana
(syn of Tridens flavus, not Tridens carolinianus)[2]
P.Beauv.
Synonyms[3]

Tridens is a genus of perennial grasses in the Poaceae family native to the Americas.[4][2]

Species[3][5][6][7][8]
  1. Tridens albescens (Vasey) Wooton & Standl. - southwest + south-central USA (AZ NM TX LA AR OK KS), Mexico (Chihuahua, Durango, Coahuila, Tamaulipas, Nuevo León)
  2. Tridens ambiguus (Elliott) Schult. – pine barren fluffgrass - southeastern USA (TX LA MS AL GA FL SC NC)
  3. Tridens brasiliensis (Nees ex Steud.) Parodi - Brazil, Paraguay, Uruguay, Argentina
  4. Tridens buckleyanus (Vasey ex L.H.Dewey) Nash - Texas
  5. Tridens carolinianus (Steud.) Henrard - southeastern USA (LA MS AL GA FL SC NC)
  6. Tridens congestus (L.H.Dewey) Nash – pink fluffgrass USA (AZ TX)
  7. Tridens eragrostoides (Vasey & Scribn.) Nash – lovegrass tridens - southern USA (TX AZ NM AL FL), Mexico, Cuba, Venezuela
  8. Tridens flaccidus (Döll) Parodi - Brazil, Guyana, Venezuela, Colombia
  9. Tridens flavus (L.) Hitchc. – purpletop - Ontario, eastern + central USA, Nuevo León
  10. Tridens hackelii (Arechav.) Parodi - Brazil, Uruguay, Argentina
  11. Tridens muticus (Torr.) Nash – slim tridens - southwestern + south-central USA (CA NV AZ UT CO NM TX OK KS MO AR LA), Mexico (Baja California, Sonora, Chihuahua, Durango, Coahuila, Zacatecas, Nuevo León, Querétaro, San Luis Potosí, Tamaulipas)
  12. Tridens nicorae Anton - northern Argentina
  13. Tridens × oklahomensis (Feath.) Feath. - Oklahoma (hybrid T. flavus × T. strictus)
  14. Tridens riograndensis Acedo & Llamas[9] - Rio Grande do Sul in Brazil
  15. Tridens strictus (Nutt.) Nash – longspike tridens - southeastern + south-central USA (from TX to FL to IL + PA)
  16. Tridens texanus (S. Watson) Nash - USA (TX NM), Mexico (Chihuahua, Durango, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí)
Formerly included[3]
see Dasyochloa Diplachne Erioneuron
  • Tridens avenaceus - Erioneuron avenaceum
  • Tridens capensis - Diplachne fusca
  • Tridens duartei - Diplachne fusca subsp. uninervia
  • Tridens grandiflorus - Erioneuron avenaceum
  • Tridens indicus - Diplachne fusca
  • Tridens nealleyi - Erioneuron avenaceum var. nealleyi
  • Tridens pulchellus - Dasyochloa pulchella
  • Tridens veralensis - Diplachne fusca subsp. fascicularis
  • Tridens verticillata - Diplachne fusca subsp. uninervia
  • Tridens virens - Diplachne fusca subsp. fascicularis

References

  1. ↑ "Genus: Tridens Roem. & Schult.". Germplasm Resources Information Network. United States Department of Agriculture. 2011-02-27. Retrieved 2011-03-01.
  2. 1 2 Tropicos, Tridens Roem. & Schult.
  3. 1 2 3 Kew World Checklist of Selected Plant Families
  4. ↑ Roemer, Johann Jakob & Schultes, Josef August. 1817. Systema Vegetabilium 2: 34, 599-600 in Latin
  5. ↑ The Plant List search for Tridens
  6. ↑ "Tridens". Integrated Taxonomic Information System. Retrieved 2011-03-01.
  7. ↑ "GRIN Species Records of Tridens". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2011-03-01.
  8. ↑ Biota of North America Program 2013 county distribution maps
  9. ↑ Acedo, C. and F. Llamas. (2003). A new species of Tridens (Poaceae) from Brazil. Systematic Botany 28:2 313-16.


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