Asteraceae
Helianthus

Helianthus petiolaris Nutt.

First published in J. Acad. Nat. Sci. Philadelphia 2: 115 (1821)
This species is accepted
The native range of this species is Canada to N. Mexico. It is an annual and grows primarily in the temperate biome.

Distribution

Native to:

Alberta, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Idaho, Illinois, Indiana, Iowa, Kansas, Louisiana, Maine, Manitoba, Massachusetts, Mexico Northeast, Mexico Northwest, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Introduced into:

Argentina Northeast, Austria, Baltic States, Belgium, East European Russia, Great Britain, Ireland, Norway, Ukraine

Synonyms

Homotypic Synonyms

Accepted Infraspecifics

Classification

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Publications

POWO follows these authorities in accepting this name:

  • Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
  • Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.

Kew Backbone Distributions

  • Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
Nuttall [s.n.] United States K001092054 Unknown Type Material Yes
Hall, E. [s.n.] K003040102 Yes
s.coll. [s.n.] K003040103 Yes
Nuttall, T. [s.n.] K001092053 Unknown Type Material Yes

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Science Photographs

    • Copyright applied to individual images