Tridax

Tridax
Tridax procumbens
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Millerieae[1]
Genus: Tridax
L.
Type species
Tridax procumbens
L.
Synonyms[1]
  • Ptilostephium Kunth
  • Mandonia Wedd.
  • Sogalgina Cass.
  • Balbisia Willd. 1803, rejected homonym not Cav. 1804 (Vivianiaceae) nor DC. 1833 (Asteraceae)
  • Bartolia Adans.
  • Bartolina Adans.
  • Carphostephium Cass.
  • Galinsogea Kunth 1818, illegitimate homonym not Willd. 1803

Tridax is a genus of flowering plants in the daisy family.[2][3]

Tridax is native primarily to the tropical regions of North and South America. Tridax procumbens has become naturalized in the southern United States and is considered a noxious weed in some places.

Species[1]
  1. Tridax angustifolia Spruce ex Benth. & Hook.f. - Ecuador, Peru
  2. Tridax balbisioides (Kunth) A.Gray - Guanajuato
  3. Tridax bicolor A.Gray - Chihuahua
  4. Tridax bilabiata A.M.Powell - Guerrero
  5. Tridax boliviensis (Wedd.) R.E.Fr. - Bolivia
  6. Tridax brachylepis Hemsl. - Oaxaca
  7. Tridax cajamarcensis H.Rob. - Peru
  8. Tridax candidissima A.Gray - San Luis Potosí
  9. Tridax coronopifolia (Kunth) Hemsl. - widespread from Tamaulipas to Chiapas
  10. Tridax dubia Rose - Colima
  11. Tridax erecta A.Gray
  12. Tridax hintonii (B.L.Turner & A.M.Powell) D.J.Keil, Luckow & Pinkava - Michoacán
  13. Tridax hintoniorum B.L.Turner - Nuevo León
  14. Tridax luisana Brandegee - Puebla, Oaxaca
  15. Tridax mexicana A.M.Powell - Guerrero, Oaxaca, Jalisco, México State, Veracruz, Nayarit, Michoacán
  16. Tridax moorei B.L.Rob. - Hidalgo
  17. Tridax oaxacana B.L.Turner - Oaxaca
  18. Tridax obovata Turcz. - Oaxaca
  19. Tridax oligantha C.E.Anderson & Beaman
  20. Tridax palmeri A.Gray - San Luis Potosí
  21. Tridax platyphylla B.L.Rob. - Jalisco
  22. Tridax procumbens (L.) L. - Veracruz; widespread invasive
  23. Tridax purpurea S.F.Blake - Guatemala, Chiapas
  24. Tridax rosea Sch.Bip. ex B.L.Rob. & Greenm. - Hidalgo, D.F.
  25. Tridax tambensis Hieron. - Peru, Ecuador
  26. Tridax tenuifolia Rose - Chihuahua
  27. Tridax trilobata (Cav.) Hemsl. - Michoacán, México State
  28. Tridax venezuelensis Aristeg. & Cuatrec. - Venezuela
  29. Tridax yecorana B.L.Turner - eastern Sonora in Sierra Madre Occidental
formerly included[1]

see Calea Layia Sabazia

References

  1. 1 2 3 4 Flann, C (ed) 2009+ Global Compositae Checklist
  2. ↑ Linnaeus, Carl von. 1753. Species Plantarum 2: 900 in Latin
  3. ↑ Tropicos, Tridax L.
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