Flourensia

Flourensia
Flourensia cernua
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Heliantheae
Subtribe: Enceliinae
Genus:
DC.[1]
Type species
Flourensia laurifolia[2][3]

Flourensia is a genus of flowering plants in the family Asteraceae.[4] It contains subshrubs and shrubs,[5] which are commonly known as tarworts.[6] They are found in the southwestern United States, Mexico, and central South America (Bolivia and northern Argentina).[7] The genus name honours French physiologist Jean Pierre Flourens (1794–1867).[5]

Phylogenetic studies found that the genus as previously circumscribed was polyphyletic, and in 2023 many of the South American species were placed in the new genus Austroflourensia.[8]

Species

20 species are currently accepted.[7][9]

Formerly placed here

  • Austroflourensia angustifolia (DC.) J.C.Ospina & S.E.Freire (aș Flourensia angustifolia (DC.) S.F.Blake) – Peru
  • Austroflourensia cajabambensis (M.O.Dillon) J.C.Ospina & S.E.Freire (as Flourensia cajabambensis M.O.Dillon) – Peru
  • Austroflourensia fiebrigii (S.F.Blake) J.C.Ospina & S.E.Freire (as Flourensia fiebrigii S.F.Blake) – Argentina, Bolivia
  • Austroflourensia glutinosa (Rusby) J.C.Ospina & S.E.Freire (as Flourensia heterolepis S.F.Blake) – Bolivia (Cochabamba, Santa Cruz), Peru (Cusco)
  • Austroflourensia hirtissima (S.F.Blake) J.C.Ospina & S.E.Freire (as Flourensia hirtissima S.F.Blake) – Argentina (Río Negro)
  • Austroflourensia macrophylla (S.F.Blake) J.C.Ospina & S.E.Freire (as Flourensia macrophylla (A.Gray) S.F.Blake) – Peru
  • Austroflourensia niederleinii (S.F.Blake) J.C.Ospina & S.E.Freire (as Flourensia niederleinii S.F.Blake) – Argentina (La Rioja)
  • Austroflourensia peruviana (M.O.Dillon) J.C.Ospina & S.E.Freire (as Flourensia peruviana M.O.Dillon) – Peru (Ayacucho, Huancavelica)
  • Austroflourensia polycephala (M.O.Dillon) J.C.Ospina & S.E.Freire (as Flourensia polycephala M.O.Dillon) – Peru (Apurímac, Cusco)
  • Austroflourensia suffrutescens (R.E.Fr.) J.C.Ospina & S.E.Freire (as Flourensia polyclada S.F.Blake and Flourensia suffrutescens S.F.Blake) – Argentina (Jujuy, Salta)
  • Austroflourensia thurifera (Molina) J.C.Ospina & S.E.Freire (as Flourensia thurifera (Molina) DC.) – Chile (Coquimbo, Santiago, Valparaíso)
  • Austroflourensia tortuosa (Griseb.) J.C.Ospina & S.E.Freire (as Flourensia tortuosa Griseb.) – Argentina (Salta, Catamarca, Tucuman)

References

  1. ^ "Genus: Flourensia DC". Germplasm Resources Information Network. United States Department of Agriculture. 1996-09-17. Retrieved 2012-01-12.
  2. ^ lectotype designated by S.F. Blake, Contr. U.S. Natl. Herb. 20: 394 (1921)
  3. ^ Tropicos, Flourensia DC.
  4. ^ Candolle, Augustin Pyramus de. 1836. Prodromus Systematis Naturalis Regni Vegetabilis 5: 592–593 in Latin
  5. ^ a b Strother, John L. "Flourensia de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 592. 1836". Flora of North America. eFloras.org. Retrieved 2012-01-12.
  6. ^ "Flourensia". Integrated Taxonomic Information System. Retrieved 2012-01-12.
  7. ^ a b "Flourensia DC". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 1 April 2025.
  8. ^ Freire SE, Ospina JC, Aagesen L, Espinar LA, Panero JL, Scataglini MA. Unraveling Polyphyly in Flourensia (Asteraceae, Heliantheae, Enceliinae) and the Establishment of a New Genus Austroflourensia. An Acad Bras Cienc. 2023 Feb 17;95(2):e20191135. doi: 10.1590/0001-3765202320191135. PMID: 36820759.
  9. ^ Flann, C (ed) 2009+ Global Compositae Checklist search for Flourensia
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