Tridens (plant)
| Tridens | |
|---|---|
| Tridens flavus | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Subfamily: | Chloridoideae |
| Tribe: | Cynodonteae |
| Subtribe: | Pappophorinae |
| Genus: | Roem. & Schult.[1] |
| Type species | |
| Tridens flavus | |
| Synonyms[2] | |
| |
Tridens is a genus of perennial grasses in the family Poaceae native to the Americas.[3][4]
Species
13 species are accepted.[5][2][6][7][8]
- Tridens albescens (Vasey) Wooton & Standl. - southwest + south-central USA (AZ NM TX LA AR OK KS), Mexico (Chihuahua, Durango, Coahuila, Tamaulipas, Nuevo León)
- Tridens ambiguus (Elliott) Schult. – pine barren fluffgrass - southeastern USA (TX LA MS AL GA FL SC NC)
- Tridens brasiliensis (Nees ex Steud.) Parodi - Brazil, Paraguay, Uruguay, Argentina
- Tridens carolinianus (Steud.) Henrard - southeastern USA (LA MS AL GA FL SC NC)
- Tridens chapmanii (Small) Chase – south-central and southeastern United States to New Jersey
- Tridens congestus (L.H.Dewey) Nash – pink fluffgrass USA (AZ TX)
- Tridens flaccidus (Döll) Parodi - Brazil, Guyana, Venezuela, Colombia
- Tridens flavus (L.) Hitchc. – purpletop - Ontario, eastern + central USA, Nuevo León
- Tridens hackelii (Arechav.) Parodi - Brazil, Uruguay, Argentina
- Tridens nicorae Anton - northern Argentina
- Tridens × oklahomensis (Feath.) Feath. - Oklahoma (hybrid T. flavus × T. strictus)
- Tridens riograndensis Acedo & Llamas[9] - Rio Grande do Sul in Brazil
- Tridens strictus (Nutt.) Nash – longspike tridens - southeastern + south-central USA (from TX to FL to IL + PA)
- Tridens texanus (S. Watson) Nash - USA (TX NM), Mexico (Chihuahua, Durango, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí)
- Formerly included[2]
see Dasyochloa, Diplachne, Erioneuron, and Tridentopsis
- Tridens avenaceus - Erioneuron avenaceum
- Tridens buckleyanus (Vasey ex L.H.Dewey) Nash - Tridentopsis buckleyana (L.H.Dewey) P.M.Peterson & Romasch.
- Tridens capensis - Diplachne fusca
- Tridens duartei - Diplachne fusca subsp. uninervia
- Tridens eragrostoides (Vasey & Scribn.) Nash - Triplasiella eragrostoides (Vasey & Scribn.) P.M.Peterson & Romasch.
- Tridens grandiflorus - Erioneuron avenaceum
- Tridens indicus - Diplachne fusca
- Tridens muticus (Torr.) Nash - Tridentopsis mutica (Torr.) P.M.Peterson
- 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
- ^ "Genus: Tridens Roem. & Schult". Germplasm Resources Information Network. United States Department of Agriculture. 2011-02-27. Retrieved 2011-03-01.
- ^ a b c Kew World Checklist of Selected Plant Families
- ^ Roemer, Johann Jakob & Schultes, Josef August. 1817. Systema Vegetabilium 2: 34, 599-600 in Latin
- ^ Tropicos, Tridens Roem. & Schult.
- ^ "Tridens Roem. & Schult". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 10 June 2025.
- ^ "Tridens". Integrated Taxonomic Information System. Retrieved 2011-03-01.
- ^ "GRIN Species Records of Tridens". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2011-03-01.
- ^ Biota of North America Program 2013 county distribution maps
- ^ Acedo, C. and F. Llamas. (2003). A new species of Tridens (Poaceae) from Brazil. Systematic Botany 28:2 313-16.
External links
Wikimedia Commons has media related to Tridens (Poaceae).
Wikispecies has information related to Tridens.