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Townsendia (plant)

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Townsend daisies
Townsendia parryi
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Astereae[1]
Genus:
Townsendia

Type species
Townsendia sericea
(syn of T. exscapa)[1]

Townsendia is a genus of North American plants in the aster tribe within the daisy family.[2][3]

The genus is known commonly as Townsend daisies.[4] These annual, biennial and perennial wildflowers are native to western North America, frequently at high elevations. A number of taxa are tall, erect plants, like typical daisies. Others form small, dense, leafy rosettes, or have a more sprawling, prostrate appearance. Frequently, the flower heads are showy and attractive, with the ray florets in shades of pink, purple, blue, white, and, rarely, yellow.[5]

The genus name honors Pennsylvania botanist David Townsend, 1787–1858.[2][5]

Species[1][6][7]
  1. Townsendia alpigena - Wyoming Townsend daisy - WY
  2. Townsendia annua - annual Townsend daisy - AZ UT CO NM TX
  3. Townsendia aprica - Last Chance Townsend daisy - UT
  4. Townsendia condensata - cushion Townsend daisy - UT CA WY ID MT ALB
  5. Townsendia eximia - NM CO
  6. Townsendia exscapa - stemless Townsend daisy - BC ALB SAS MAN IDMT ND SD NE WY CO KS OK TX NM AZ NV UT
  7. Townsendia fendleri - AZ NM CO
  8. Townsendia florifer - showy Townsend daisy - WA OR NV IDMT WY
  9. Townsendia formosa - AZ NM Chihuahua
  10. Townsendia glabella - CO
  11. Townsendia grandiflora - SD NE WY CO NM
  12. Townsendia gypsophila - gypsum-loving Townsend daisy - NM
  13. Townsendia hookeri - BC ALB SAS MT IDWY CO UT ND SD NE
  14. Townsendia incana - hoary Townsend daisy - AZ NM NV UT CO WY MT
  15. Townsendia jonesii - AZ NV UT
  16. Townsendia leptotes - common Townsend daisy - CA AZ NM NV UT CO WY MT ID
  17. Townsendia mensana - UT
  18. Townsendia mexicana - Coahuila, Nuevo León, Hidalgo, México State, Zacatecas
  19. Townsendia microcephala - WY
  20. Townsendia montana - MT ID OR WY UT CO
  21. Townsendia nuttalli - Nuttall's Townsend daisy - WY
  22. Townsendia parryi - Parry's Townsend daisy - BC ALB MT ID WY OR NV
  23. Townsendia rothrockii - Rothrock's Townsend daisy - CO
  24. Townsendia scapigera - tufted Townsend daisy - CA NV UT ID OR
  25. Townsendia smithii - Black Rock Townsend daisy - AZ
  26. Townsendia spathulata - sword Townsend daisy - MT WY
  27. Townsendia strigosa - NM AZ UT CO WY
  28. Townsendia texensis - Texas Townsend daisy - OK TX
formerly included

see Xylorhiza

References

  1. ^ a b c Flann, C (ed) 2009+ Global Compositae Checklist
  2. ^ a b Hooker, William Jackson. 1834. Flora Boreali-Americana 2(7): 16 description in Latin, commentary in English
  3. ^ Hooker, William Jackson. 1834. Flora Boreali-Americana 2(7): plate CXIX (119) full-page line drawings of Townsendia sericea, syn of T. exscapa
  4. ^ USDA, NRCS (n.d.). "Townsendia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 11 December 2015.
  5. ^ a b Flora of North America, Vol. 20 Page 193 Townsendia Hooker, Fl. Bor.-Amer. 2: 16, plate 119. 1834.
  6. ^ The Plant List search for Townsendia
  7. ^ Biota of North America Program 2013 county distribution maps
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