Trixis

threefolds
Trixis californica
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Mutisioideae
Tribe: Nassauvieae[1][2]
Genus: Trixis
P.Browne 1756 not Adans. 1763 (Haloragaceae) nor Sw. 1788 (syn of Clibadium in Asteraceae)[3]
Synonyms[2]

Trixis is a genus of shrubs in the aster family, Asteraceae, native to North and South America including the West Indies.[4][5]

Members of the genus are commonly known as threefolds[6] due to the outer lip of the corolla. The generic name is derived from τριχος (trixos), the Greek word for threefold.[7][8]

Species[2][9][10]
  1. Trixis aggregata Rusby - Bolivia
  2. Trixis alata D.Don - Guerrero, México State, Guanajuato
  3. Trixis angustifolia DC. - San Luis Potosi
  4. Trixis anomala B.L.Turner - Chiapas
  5. Trixis antimenorrhoea (Schrank) Mart. ex Baker - South America
  6. Trixis bowmanii Baker - Brazil
  7. Trixis cacalioides (Kunth) D.Don - Peru
  8. Trixis calcicola B.L.Rob. - Guerrero
  9. Trixis californica Kellogg – American threefold - USA (CA AZ NM TX), Mexico (Baja California, Baja California Sur, Sonora, Chihuahua, Coahuila, Durango, Zacatecas, Nuevo León)
  10. Trixis chiapensis C.E.Anderson - Guatemala, Chiapas
  11. Trixis erosa Sw. - Costa Rica, West Indies
  12. Trixis glaziovii Baker - Paraná, Rio de Janeiro
  13. Trixis grandibracteata C.E.Anderson - Guerrero
  14. Trixis grisebachii Kuntze - Bolivia, northern Argentina
  15. Trixis haenkei Sch.Bip. - Durango, Sinaloa
  16. Trixis hassleri Chodat - Paraguay
  17. Trixis hyposericea S.Wats. - Jalisco, Michoacán, Nayarit
  18. Trixis inula Crantz – Tropical threefold[6] - USA (TX), Mexico, Central America, West Indies, Colombia, Venezuela
  19. Trixis lessingii DC. - Paraguay, Uruguay, Brazil
  20. Trixis longifolia D.Don - México State, Sinaloa
  21. Trixis megalophylla Greenm. - México State, Oaxaca, Puebla
  22. Trixis mexicana Lex. - Michoacán
  23. Trixis michuacana Lex. - Michoacán, Jalisco, Nayarit
  24. Trixis nelsonii Greenm. - Guatemala, Chiapas, Oaxaca
  25. Trixis nobilis (Vell.) Katinas - Paraguay, Uruguay, Brazil, Argentina
  26. Trixis ophiorhiza Gardner - Bolivia, Brazil
  27. Trixis pallida Less. - Paraguay, Uruguay, Brazil, Argentina
  28. Trixis parviflora C.E.Anderson - Oaxaca
  29. Trixis peruviana Katinas - Peru
  30. Trixis praestans (Vell.) Cabrera - Paraguay, Uruguay, Brazil, Argentina
  31. Trixis pringlei B.L.Rob. & Greenm. - Guerrero, Oaxaca
  32. Trixis proustioides Hieron. - Colombia
  33. Trixis pterocaulis B.L.Rob. & Greenm. - Colima, Jalisco, Nayarit, Sinaloa, Sonora
  34. Trixis silvatica B.L.Rob. & Greenm. - Oaxaca
  35. Trixis spicata Gardner - Paraguay, Uruguay, Brazil
  36. Trixis thyrsoidea Dusén ex Malme - southern Brazil
  37. Trixis vauthieri DC. - eastern Brazil
  38. Trixis verbascifolia (Gardner) S.F.Blake - Minas Gerais, Rio de Janeiro
  39. Trixis villosa (Spreng.) Sch.Bip. - Brazil
Formerly included

Numerous species once included in Trixis but now considered better suited to other genera: Acourtia Clibadium Dolichlasium Holocheilus Perezia Riencourtia

References

  1. ↑ "Genus Trixis". Taxonomy. UniProt. Retrieved 2010-02-18.
  2. 1 2 3 Flann, C (ed) 2009+ Global Compositae Checklist
  3. ↑ Tropicos, search for Trixis
  4. ↑ Browne, Patrick. 1756. Civil and Natural History of Jamaica in Three Parts page 312
  5. ↑ Browne, Patrick. 1756. Civil and Natural History of Jamaica in Three Parts plate 33, figure 1 on left engraved black + white illustration
  6. 1 2 "Trixis". Integrated Taxonomic Information System. Retrieved 2010-02-16.
  7. ↑ Quattrocchi, Umberto (2000). CRC World Dictionary of Plant Names. 4 R-Z. Taylor & Francis US. p. 2737. ISBN 978-0-8493-2678-3.
  8. ↑ Flora of North America Vol. 19, 20 and 21 Page 75, Threefold, Trixis P. Browne, Civ. Nat. Hist. Jamaica. 312, plate 33, fig. 1. 1756.
  9. ↑ "GRIN Species Records of Trixis". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2010-10-01.
  10. ↑ Biota of North America Program 2013 county distribution maps

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