Helianthus debilis

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Helianthus debilis


Taxonavigation: Asterales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Heliantheae
Subtribus: Helianthinae
Genus: Helianthus
Species: Helianthus debilis
Subspecies: H. d. subsp. cucumerifolius – H. d. subsp. debilis – H. d. subsp. silvestris – H. d. subsp. tardiflorus – H. d. subsp. vestitus


Helianthus debilis Nutt., Trans. Amer. Philos. Soc. ser. 2, 7:367. 1841


  • Homotypic
    • Helianthus annuus var. debilis (Nutt.) Anashch. in Bot. Zhurn. (Moscow & Leningrad) 59: 1476 (1974)


Native distribution areas:
  • Continental: Northern America
    • Regional:Eastern & Central USA
      • Alabama, Connecticut, Florida, Georgia, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, New Hampshire, New York, North Carolina, Pennsylvania, Rhode I., South Carolina, Texas, Vermont, Virginia, West Virginia
    • Introduced into:
      • Austria, Azores, Cuba, Czechoslovakia, France, India, Jawa, Korea, KwaZulu-Natal, Mozambique, Northern Provinces, Norway, Queensland, Taiwan, Western Australia

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition


Primary references[edit]

  • Nuttall, T. 1840. Descriptions of new species and genera of plants in the natural order of the Compositae, collected in a tour across the continent to the Pacific, a residence in Oregon, and a visit to the Sandwich Islands and upper California, during the years 1834 and 1835. Transactions of the American Philosophical Society, held at Philadelphia, for promoting useful knowledge, n.s.[new series][ser. 2], 7: 283–453. BHL Reference page. : 367


Vernacular names[edit]

English: Beach sunflower
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