Echinacea paradoxa

Echinacea paradoxa
Bee feeding on a Yellow Coneflower
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Heliantheae
Genus: Echinacea
Species: E. paradoxa
Binomial name
Echinacea paradoxa
(J. B. S. Norton) Britt.
Synonyms[1]
  • Brauneria paradoxa Norton
  • Echinacea atrorubens var. paradoxa (Norton) Cronquist
  • Echinacea atrorubens var. neglecta (McGregor) Binns, B.R.Baum & Arnason, syn of var. neglecta

Echinacea paradoxa (Bush's purple coneflower,[2] Yellow Coneflower[3][4]) is a North American species of flowering plant in the sunflower family. It is native to southern Missouri, Arkansas, and south-central Oklahoma, with one isolated population reported from Montgomery County in eastern Texas.[5] It is listed as threatened in Arkansas.[2][6]

Echinacea paradoxa is a perennial herb up to 90 cm (3 feet) tall. One plant can produce several flower heads, each with white, pink, or yellow ray florets and pink or yellow disc florets.[6][7][8][9]

Varieties[1][6]

Echinacea paradoxa var. paradoxa has a baseline chromosome number of x = 11, like most Echinacea plants.[10]

Gallery

References

  1. 1 2 The Plant List Echinacea paradoxa (Norton) Britton
  2. 1 2 Echinacea paradoxa United States Department of Agriculture plants profile
  3. ↑ Echinacea paradoxa Gardening Help, Missouri Botanical Garden
  4. ↑ Echinacea paradoxa NC State University Cooperative Extension
  5. ↑ Biota of North America Program 2014 county distribution map
  6. 1 2 3 Flora of North America, Echinacea paradoxa (Norton) Britton
  7. ↑ Britton, Nathaniel Lord & Brown, Addison 1913. illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian 3: 476 description in English plus lline drawing
  8. ↑ Norton, John Bitting Smith 1902. Transactions of the Academy of Science of St. Louis 12(4): 40–41 description and commentary in English, as Brauneria paradoxa
  9. ↑ Norton, John Bitting Smith 1902. Transactions of the Academy of Science of St. Louis 12(4): plate VIII (8) line drawing of Echinacea paradoxa as Brauneria paradoxa
  10. ↑ Smith, E. B., P. E. Hyatt, and K. Golden. 1992. Documented chromosome numbers 1992: 1. Chromosome numbers of some Arkansas flowering plants. Sida 15:145–146.
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