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This genus is accepted, and its native range is New World.
Oenothera tetraptera

[FZ]

Onagraceae, P. H. Raven. Flora Zambesiaca 4. 1978

Morphology General Habit
Annual, biennial, or perennial herbs.
Morphology Leaves
Leaves alternate, entire to pinnatifid.
Morphology Leaves Stipules
Stipules absent.
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles absent.
Morphology Reproductive morphology Flowers
Floral tube present. Flowers borne in the axils of often reduced leaves, often clustered in an inflorescence near the ends of the sterns.
Morphology Reproductive morphology Flowers Calyx
Sepals 4, caducous.
Morphology Reproductive morphology Flowers Corolla
Petals 4, caducous, yellow, white, or rose-purple, with contorted aestivation.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 8; anthers attached near the middle.
Morphology Reproductive morphology Flowers Pollen
Pollen shed singly.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma deeply 4-lobed.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 4-locular; ovules in 1-many rows in each locule, the seeds free.
Morphology Reproductive morphology Fruits
Capsule loculicidal.
Morphology Reproductive morphology Seeds
Seeds lacking hairs.

Native to:

Alabama, Alberta, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Bahamas, Bermuda, Bolivia, Brazil South, Brazil Southeast, British Columbia, California, Chile Central, Chile North, Chile South, Colombia, Colorado, Connecticut, Costa Rica, Cuba, Delaware, Desventurados Is., District of Columbia, Dominican Republic, Ecuador, El Salvador, Florida, Georgia, Guatemala, Honduras, Idaho, Illinois, Indiana, Iowa, Jamaica, Juan Fernández Is., Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Carolina, North Dakota, Northwest Territorie, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Panamá, Paraguay, Pennsylvania, Peru, Prince Edward I., Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Uruguay, Utah, Venezuela, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Introduced into:

Afghanistan, Albania, Algeria, Altay, Amur, Angola, Assam, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bulgaria, Buryatiya, Canary Is., Cape Provinces, Cape Verde, Central European Rus, China North-Central, China South-Central, China Southeast, Corse, Cyprus, Czechoslovakia, Denmark, East European Russia, East Himalaya, Easter Is., Egypt, Ethiopia, Finland, France, Free State, Germany, Great Britain, Greece, Hawaii, Hungary, India, Inner Mongolia, Iran, Ireland, Irkutsk, Italy, Japan, Jawa, Kazakhstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., KwaZulu-Natal, Lesotho, Libya, Madagascar, Madeira, Manchuria, Mauritius, Morocco, Mozambique, Myanmar, Namibia, Nansei-shoto, Nepal, Netherlands, New South Wales, Norfolk Is., Northern Provinces, Northern Territory, Northwest European R, Norway, Pakistan, Palestine, Poland, Portugal, Primorye, Queensland, Romania, Rwanda, Réunion, Sakhalin, Sardegna, Sicilia, Sinai, South Australia, South European Russi, Spain, Sri Lanka, Swaziland, Sweden, Switzerland, Tadzhikistan, Taiwan, Tasmania, Transcaucasus, Tristan da Cunha, Tunisia, Turkey, Turkey-in-Europe, Ukraine, Uzbekistan, Victoria, Vietnam, West Himalaya, West Siberia, Western Australia, Yugoslavia, Zambia, Zimbabwe

Oenothera L. appears in other Kew resources:

First published in Sp. Pl.: 346 (1753)

Accepted by

  • Christenhusz, M.J.M., Fay, M.F. & Chase, M.W. (2017). Plants of the World. An illustrated encyclopedia of vascular plants: 1-792. Kew Publishing, The university of Chicago Press.
  • Tutin, T.G. & al. (eds.) (1968). Flora Europaea 2: 1-469. Cambridge University Press.

Literature

Flora Zambesiaca

  • Gen. Pl. ed. 5: 163 (1754).
  • Sp. Pl. 1: 346 (1753)

Flora Zambesiaca
Flora Zambesiaca
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