Family:
Asteraceae Bercht. & J.Presl

Erigeron L.

This genus is accepted, and its native range is Cosmopolitan.

[FTEA]

Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit
Annual or perennial herbs
Morphology Leaves
Leaves alternate or rosulate, entire or lobed
Morphology Reproductive morphology Inflorescences Capitulum
Capitula solitary or few together on terminal peduncles, radiate; receptacle flat, epaleate
Morphology Reproductive morphology Flowers Florets
Ray florets 1–2-seriate, female; disc florets many, hermaphrodite or the outermost female, tubular or funnel-shaped with 5 lobes, style-appendages lanceolate to broadly triangular
Morphology Reproductive morphology Fruits
Achenes terete or compressed; pappus mostly double, an outer row of scales (sometimes absent), an inner row of fine bristles
Distribution
About 200 species, nearly all in N America and Eurasia.

[FTEA]

Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit
Annual or perennial herbs, rarely shrubs or small trees
Morphology Leaves
Leaves alternate or in a rosette, entire to pinnatifid, usually with semi-amplexicaul base, usually with serrate or dentate margins
Morphology Reproductive morphology Inflorescences Capitulum
Capitula disciform or shortly radiate, united in cymes, these in turn united in corymbose or paniculate inflorescences, rarely solitary
Morphology Reproductive morphology Flowers Florets
Marginal florets many, in several rows, tubular and filiform, sometimes with a short ray, white or yellow, the style with short linear branches; central florets hermaphrodite, usually few, yellow or white, tube cylindrical proximally and infundibuliform distally, 5-lobed; anthers obtuse at base, distally with triangular appendages; style branch appendages lanceolate to triangular and papillose
Morphology Reproductive morphology Fruits
Achenes sometimes compressed, usually pubescent, ribbed; pappus uniseriate, of many fine barbellate setae, often fragile.

[FSOM]

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

Morphology General Habit
Annual or perennial herbs, rarely shrubs or small trees
Morphology Leaves
Leaves alternate or in a rosette, entire to pinnatifid, usually with semi-amplexicaul base, usually with serrate or dentate margins
Morphology Reproductive morphology Inflorescences
Capitula disciform or shortly radiate, united in cymes, these in turn united in corymbose or paniculate inflorescences, rarely solitary
Morphology Reproductive morphology Flowers Florets
Marginal florets many, in several rows, tubular and filiform, sometimes with a short ray, white or yellow, the style with short linear branches; central florets bisexual, usually few, yellow or white, tube cylindrical below and funnel-shaped above, 5-lobed, anthers obtuse at base, with triangular apical appendage, style branch appendages lanceolate to triangular and pappillose
Morphology Reproductive morphology Fruits
Achenes sometimes flattened, usually pubescent, ribbed; pappus uniseriate, of many fine barbellate bristles, often fragile.
Distribution
Some 60 species in the tropics and subtropics, several weedy and widespread.

Native to:

Afghanistan, Alabama, Alaska, Albania, Alberta, Altay, Amur, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Assam, Austria, Bahamas, Baltic States, Belarus, Belgium, Belize, Bermuda, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Bulgaria, Burundi, Buryatiya, California, Cameroon, Canary Is., Cape Verde, Cayman Is., Central European Rus, Chad, Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Connecticut, Corse, Costa Rica, Cuba, Czechoslovakia, Delaware, District of Columbia, Djibouti, Dominican Republic, East European Russia, East Himalaya, Ecuador, El Salvador, Eritrea, Ethiopia, Falkland Is., Finland, Florida, France, French Guiana, Galápagos, Georgia, Germany, Great Britain, Greece, Greenland, Guatemala, Gulf of Guinea Is., Guyana, Haiti, Honduras, Hungary, Iceland, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Jamaica, Japan, Juan Fernández Is., Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Labrador, Lebanon-Syria, Leeward Is., Louisiana, Magadan, Maine, Malawi, Manchuria, Manitoba, Maryland, Massachusetts, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Myanmar, Nebraska, Nepal, Netherlands, Nevada, New Brunswick, New Guinea, New Hampshire, New Jersey, New Mexico, New South Wales, New York, Newfoundland, Nicaragua, North Carolina, North Caucasus, North Dakota, North European Russi, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Nunavut, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Panamá, Paraguay, Pennsylvania, Peru, Poland, Portugal, Primorye, Prince Edward I., Puerto Rico, Qinghai, Québec, Rhode I., Romania, Rwanda, Sakhalin, Saskatchewan, Saudi Arabia, Somalia, South Carolina, South Dakota, South European Russi, Spain, Sri Lanka, Sudan, Suriname, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tennessee, Texas, Thailand, Tibet, Transcaucasus, Trinidad-Tobago, Turkey, Turkmenistan, Turks-Caicos Is., Tuva, Uganda, Ukraine, Uruguay, Utah, Uzbekistan, Venezuela, Venezuelan Antilles, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Windward Is., Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yemen, Yugoslavia, Yukon, Zambia, Zaïre, Zimbabwe

Introduced into:

Algeria, Andaman Is., Azores, Baleares, Bangladesh, Benin, Botswana, Cambodia, Cape Provinces, Caroline Is., Central African Repu, Chagos Archipelago, Chatham Is., Christmas I., Cocos (Keeling) Is., Comoros, Congo, Cook Is., Cyprus, Denmark, East Aegean Is., Egypt, Fiji, Free State, Gabon, Gilbert Is., Gulf States, Hainan, Hawaii, Ivory Coast, Jawa, Kazan-retto, KwaZulu-Natal, Laos, Lesotho, Libya, Line Is., Madagascar, Madeira, Malaya, Marcus I., Marianas, Marquesas, Marshall Is., Mauritania, Mauritius, Mozambique, Namibia, New Caledonia, New Zealand North, New Zealand South, Nicobar Is., Niue, Norfolk Is., Northern Provinces, Ogasawara-shoto, Oman, Palestine, Philippines, Pitcairn Is., Queensland, Rodrigues, Réunion, Sardegna, Sicilia, Sinai, Society Is., South Australia, South China Sea, Sumatera, Swaziland, Tasmania, Tonga, Tristan da Cunha, Tubuai Is., Tunisia, Turkey-in-Europe, Wake I., Western Australia

Erigeron L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Spruce, R. [s.n.], Ecuador K000200667 Yes
Spruce, R. [5758], Ecuador K000200765 Yes
Spruce, R. [s.n.], Ecuador K000200663 Yes
s.coll. [175], Ecuador K001062004 Yes
Spruce, R. [5758], Ecuador K000200764 Yes
Jan 1, 1963 Spruce, R. [s.n.], Ecuador Conyza K000200761 Yes
Ash [1701], Ethiopia Conyza 35582.000 No
Ash [1566], Ethiopia Conyza 35715.000 No
Hind, D.J.N. [H50938], Brazil Conyza 58893.000 No

First published in Sp. Pl.: 863 (1753)

Accepted by

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

Literature

Flora of West Tropical Africa

  • B.L. Burtt in Kew Bull. 3: 371 (1949).
  • —F.T.A. 3: 307

Flora of Tropical East Africa

  • A.J. Scott in Fl. Mascar. 109: 105 (1993)
  • DC., Prodr. 5: 283 (1836)
  • K. Bremer, Asteraceae Clad. & Class.: 420 (1994)
  • L., Gen. Pl., ed. 5: 371 (1754)
  • Oliv. & Hiern in F.T.A. 3: 307 (1877)
  • Sp. Pl.: 863 (1753)
  • Wild in Kirkia 10: 34 (1975)

  • Flora of Somalia

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

  • Flora of Tropical East Africa

    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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 2022. 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