Helenium flexuosum

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
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 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. 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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