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Helenium flexuosum

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Helenium flexuosum
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Helenieae
Genus:
Helenium
Species:
H. flexuosum
Binomial name
Helenium flexuosum
Raf. 1838
Synonyms[1]
  • Helenium floridanum Fernald
  • Helenium godfreyi Fernald
  • Helenium nudiflorum Nutt.

Helenium flexuosum is a North American plant species in the daisy family known by the common name purple sneezeweed.[2] It is widespread across much of eastern and central United States and Canada, from Nova Scotia west to Ontario, Minnesota, and Kansas, south to Florida, Louisiana, and eastern Texas.[3]

Helenium flexuosum is a perennial herb up to 100 cm (40 inches) tall. One plant can produce 80 or more flower heads in a branching array. Each head has up to 700 yellow or purple disc florets, sometimes with no ray florets, sometimes with 8-13 yellow, red, purple, or brown ray florets. The species grows in fields, ditches, and streambanks.[2]

References

  1. ^ The Plant List, Helenium flexuosum Raf.
  2. ^ a b Flora of North America, Helenium flexuosum Rafinesque, 1838. Purplehead sneezeweed, hélénie nudiflore
  3. ^ Biota of North America Program 2014 county distribution map


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