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This genus is accepted, and its native range is N. America.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Herbs
Morphology Leaves
Leaves opposite, or alternate in upper part of stem
Morphology Reproductive morphology Inflorescences
Capitula solitary, radiate; phyllaries 2–4-seriate; receptacle with paleae
Morphology Reproductive morphology Flowers Florets
Ray florets sterile; disk florets bisexual, 5-lobed
Morphology Reproductive morphology Fruits
Achenes ± flattened; pappus of up to 2 awns.
Distribution
Genus of some 50 species in North America.
Note
Apart from H. annuuus, also H. tuberosus L. (Jerusalem artichoke) is a widely cultivated food-plant, although not yet known from Somalia.

Native to:

Alabama, Alberta, Arizona, Arkansas, British Columbia, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Introduced into:

Alaska, Albania, Altay, Amur, Argentina Northeast, Argentina Northwest, Argentina South, Assam, Austria, Azores, Bahamas, Baleares, Baltic States, Belarus, Belgium, Belize, Bolivia, Botswana, Bulgaria, Buryatiya, Cape Provinces, Caprivi Strip, Central European Rus, Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Corse, Costa Rica, Cuba, Cyprus, Czechoslovakia, Denmark, Dominican Republic, East Aegean Is., East European Russia, East Himalaya, El Salvador, Fiji, Finland, France, Free State, Germany, Great Britain, Greece, Guatemala, Hainan, Haiti, Honduras, Hungary, India, Ireland, Irkutsk, Italy, Japan, Jawa, Kamchatka, Kazakhstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Krym, KwaZulu-Natal, Laos, Lebanon-Syria, Lesotho, Libya, Madeira, Magadan, Manchuria, Mexico Gulf, Mexico Southeast, Morocco, Mozambique, Myanmar, Namibia, Nepal, Netherlands, New South Wales, New Zealand North, New Zealand South, Niue, North Caucasus, North European Russi, Northern Provinces, Northern Territory, Northwest Territorie, Norway, Nunavut, Pakistan, Palestine, Paraguay, Peru, Poland, Portugal, Primorye, Qinghai, Queensland, Romania, Sakhalin, Sardegna, Sicilia, South Australia, South European Russi, Spain, Swaziland, Sweden, Switzerland, Tadzhikistan, Taiwan, Tasmania, Tibet, Transcaucasus, Trinidad-Tobago, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uruguay, Uzbekistan, Victoria, Vietnam, West Himalaya, West Siberia, Western Australia, Xinjiang, Yakutskiya, Yugoslavia

Helianthus L. appears in other Kew resources:

First published in Sp. Pl.: 904 (1753)

Accepted by

  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • WCVP (2021). World Checklist of Vascular Plants, version 2.0. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://wcvp.science.kew.org/ Retrieved 28 April 2021

Flora of Somalia

  • Flora Somalia, (2000) Author: by M. Thulin [updated by M. Thulin 2008]

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0