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This genus is accepted, and is native to Europe, Pakistan, Africa, Southern America, Northern America and Asia-Temperate..

[FTEA]

Lythraceae, B. Verdcourt. Flora of Tropical East Africa. 1984

Habit
Perennial or annual herbs, rarely subshrubby
Leaves
Leaves decussate, verticillate or alternate
Flowers
Flowers 4–6(–8)-merous, regular or obscurely irregular, often di- or trimorphic, axillary, solitary or in cymes, sometimes congested into raceme-like “terminal” inflorescences
Calyx
Calyx tubular or ± campanulate, the sinus-appendages obvious or ± obsolete
Corolla
Petals mostly conspicuous, rarely lacking
Stamens
Stamens (1–)4–12, inserted near base of tube, some or all exserted, the ventrals and dorsals often inserted at different heights
Pistil
Ovary ± sessile, oblong or ovoid, incompletely bilocular; ovules numerous; style usually well developed, rarely almost lacking; stigma capitate
Fruits
Capsule 2-valved; valves sometimes ± bilobed, membranous to ± coriaceous
Seeds
Seeds 8 to numerous.

[FSOM]

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

Habit
Herbs, rarely ± shrubby
Leaves
Leaves sometimes whorled or alternate
Flowers
Flowers axillary, in cymes or solitary, sometimes congested into raceme-like terminal inflorescences, 4–6(–8)-merous, occasionally obscurely zygo­morphic, often heterostylous
Hypanthium
Hypanthium campanulate or cylindrical; sinus-horns present or not
Corolla
Petals usually large, rarely absent
Stamens
Stamens (1–)4–12
Ovary
Ovary incompletely 2-celled, ovules numerous, style usually well developed
Fruits
Capsule 2-valved, often 2-lobed
Seeds
Seeds 8–many, small.
Distribution
A subcosmopolitan genus of about 40 species.

Native to:

Afghanistan, Alabama, Albania, Algeria, Altay, Amur, Argentina Northeast, Argentina Northwest, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bolivia, Brazil South, Bulgaria, Buryatiya, Canary Is., Central European Rus, Chad, Chile Central, Chile North, China North-Central, China South-Central, Chita, Colombia, Colorado, Corse, Cuba, Cyprus, Czechoslovakia, Denmark, Dominican Republic, East Aegean Is., East European Russia, Ecuador, Egypt, Ethiopia, Finland, France, Germany, Great Britain, Greece, Guatemala, Haiti, Hungary, Illinois, Inner Mongolia, Iran, Iraq, Ireland, Irkutsk, Italy, Juan Fernández Is., Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Lebanon-Syria, Libya, Madeira, Malawi, Manchuria, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mongolia, Morocco, Netherlands, New Mexico, New York, North European Russi, Northwest European R, Norway, Pakistan, Palestine, Peru, Poland, Portugal, Primorye, Qinghai, Romania, Rwanda, Sakhalin, Sardegna, Saudi Arabia, Senegal, Sicilia, Sinai, Socotra, Somalia, South European Russi, Spain, Sudan, Sweden, Switzerland, Tadzhikistan, Tanzania, Tennessee, Texas, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Uganda, Ukraine, Uruguay, Uzbekistan, Venezuela, Vermont, West Siberia, Xinjiang, Yemen, Yugoslavia, Zaïre

Introduced into:

Argentina South, Arkansas, California, Cape Provinces, Chile South, Idaho, Louisiana, Maine, Massachusetts, Michigan, Mississippi, New Hampshire, New Jersey, New Zealand North, Norfolk Is., Ohio, Oregon, Pennsylvania, Utah, Washington

Lythrum L. appears in other Kew resources:

First published in Sp. Pl.: 446 (1753)

Accepted by

  • Tutin, T.G. & al. (eds.) (1968). Flora Europaea 2: 1-469. Cambridge University Press.

Literature

Flora of Somalia

  • Flora Somalia, Vol 1, (1993) Author: by M. G. Gilbert & M. Thulin [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Koehne in E.P. IV. 216: 58 (1903)
  • Gen. Pl., ed. 5: 205 (1754)
  • Sp. Pl.: 446 (1753)

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

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