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This genus is accepted, and its native range is Old World.
Leonurus cardiaca

[LKGF]

Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

Morphology General Habit
Perennial or annual herbs with simple hairs
Morphology Leaves
Leaves ± palmately lobed or deeply serrate
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid, cymes 4- to many-flowered
Morphology Reproductive morphology Flowers
Flowers sessile
Morphology Reproductive morphology Inflorescences Bracts
Bracts present
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles present
Morphology Reproductive morphology Flowers Calyx
Calyx zygomorphic, often weakly so, 5-lobed, lobes subequal or unequal (3/2), spinose
Morphology Reproductive morphology Flowers Corolla
Corolla strongly 2-lipped, 4-lobed (1/3), pink, rarely white, tube annulate or rarely annulate, posterior lip long, hooded, anterior lip directed forward, rarely upwards
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens not exserted from corolla
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Thecae distinct, divaricate
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes subequal
Morphology Reproductive morphology Fruits
Nutlets trigonous, truncate at apex, glabrous or with eglandular hairs or sessile glands at apex.
Note
2n = 18, 20.  About 25 species.
Ecology
Stony places, forests and disturbed ground
Distribution
Eurasia except Arctic and desert regions, L. japonicus Houtt. is widely distributed in tropics as a weed, some other species introduced elsewhere.

Native to:

Afghanistan, Albania, Altay, Amur, Assam, Austria, Baltic States, Bangladesh, Belarus, Belgium, Borneo, Bulgaria, Buryatiya, Cambodia, Central European Rus, China North-Central, China South-Central, China Southeast, Chita, Czechoslovakia, Denmark, East European Russia, East Himalaya, Finland, France, Germany, Greece, Hungary, India, Inner Mongolia, Iran, Irkutsk, Italy, Japan, Jawa, Kazakhstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Krym, Laos, Lesser Sunda Is., Malaya, Maluku, Manchuria, Mongolia, Myanmar, Nansei-shoto, Nepal, Netherlands, North Caucasus, North European Russi, Northwest European R, Norway, Pakistan, Philippines, Poland, Primorye, Qinghai, Queensland, Romania, South European Russi, Sulawesi, Sumatera, Sweden, Switzerland, Tadzhikistan, Taiwan, Thailand, Tibet, Transcaucasus, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uzbekistan, Vietnam, West Himalaya, West Siberia, Xinjiang, Yakutskiya, Yugoslavia

Introduced into:

Alabama, Alberta, Argentina Northeast, Argentina Northwest, Arkansas, Ascension, Bahamas, Belize, Bermuda, Bolivia, Brazil South, Brazil Southeast, British Columbia, Cape Verde, Colombia, Colorado, Connecticut, Cook Is., Costa Rica, Cuba, Delaware, District of Columbia, Dominican Republic, El Salvador, Florida, French Guiana, Georgia, Guatemala, Guyana, Haiti, Hawaii, Honduras, Idaho, Illinois, Indiana, Iowa, Jamaica, Kansas, Kentucky, Leeward Is., Louisiana, Magadan, Maine, Manitoba, Maryland, Massachusetts, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Caledonia, New Hampshire, New Jersey, New Mexico, New York, New Zealand North, New Zealand South, Nicaragua, Niue, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Panamá, Paraguay, Pennsylvania, Peru, Prince Edward I., Puerto Rico, Québec, Rhode I., Saskatchewan, Society Is., South Carolina, South Dakota, Spain, St.Helena, Suriname, Tennessee, Texas, Tonga, Trinidad-Tobago, Venezuela, Venezuelan Antilles, Vermont, Virginia, Washington, West Virginia, Windward Is., Wisconsin, Wyoming

Leonurus L. appears in other Kew resources:

First published in Sp. Pl.: 584 (1753)

Accepted by

  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Lamiaceae Key Genus Fact Sheets

  • Cardiaca Mill., Gard. Dict. Abr. ed. 4: s.p. (1754).
  • Harley RM, Atkins S, Budantsev AL, Cantino PD, Conn BJ, Grayer R, Harley MM, de Kok RPJ, Krestovskaja T, Morales R, Paton AJ, Ryding O, and Upson T. 2004. Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Sp
  • Krestovskaja, Novost. Sist. Vysch. Rast. 26: 142-149 (1989) & 27: 139-144 (1990).
  • Leonurus L., Sp. Pl. 2: 584 (1753)
  • Marrubiastrum Ség., Pl. Veron. 3: 135 (1754).
  • Panzeria Moench, Methodus: 402 (1794).,non Panzera Cothen. (1790)

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

Lamiaceae Key Genus Fact Sheets
Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
http://creativecommons.org/licenses/by/3.0