Family:
Juncaceae Juss.

Juncus L.

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

[FTEA]

Juncaceae, Susan Carter. Flora of Tropical East Africa. 1966

Morphology General Habit
Annual or perennial glabrous, tufted or rhizomatous herbs
Morphology Leaves
Leaves grass-like and flat or channelled, or cylindric and smooth, sometimes septate, sheathing below, sometimes reduced to cataphylls; sheaths open, rarely closed
Morphology Reproductive morphology Inflorescences
Inflorescence compound, panicled, bracteate; bracteoles sometimes present, placed immediately below and clasping the flower
Morphology Reproductive morphology Flowers
Flowers hermaphrodite
Morphology Reproductive morphology Flowers Perianth
Perianth-segments free, ovate or lanceolate, entire, persistent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3 or 6, attached at the base of the segments; filaments filiform or flattened and triangular; anthers linear or oblong
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary sessile; style filiform; stigmas covered with elongated, sticky papillae
Morphology Reproductive morphology Fruits
Capsule 1- or 3-locular, or incompletely 3-septate
Morphology Reproductive morphology Seeds
Seeds many.

[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 glabrous herbs, tufted or with elongate rhizomes; stems usually terete
Morphology Leaves
Leaves grass-like, channelled, cylindric or flat, but sometimes reduced to the sheaths only, some species with transverse septa appearing in dry leaves; sheaths usually open, sometimes with auricles
Morphology Reproductive morphology Inflorescences
Inflorescence an open or congested terminal or pseudo-lateral panicle
Morphology Reproductive morphology Flowers
Flowers bisexual; bracteoles sometimes present; tepals 6, free, acute or obtuse
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3 or 6
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary sessile
Morphology Reproductive morphology Fruits
Capsule 1- or 3-celled, or incompletely 3-septate
Morphology Reproductive morphology Seeds
Seeds many.
Distribution
About 350 species widely distributed in temperate regions, reaching the arctic; in the tropics mostly at high altitudes.

Doubtfully present in:

Windward Is.

Native to:

Afghanistan, Alabama, Alaska, Albania, Alberta, Aleutian Is., Algeria, Altay, Amur, Angola, Antipodean Is., Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Ascension, Assam, Austria, Azores, Bahamas, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Belize, Bermuda, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, British Columbia, Bulgaria, Burundi, Buryatiya, California, Cambodia, Cameroon, Canary Is., Cape Provinces, Cape Verde, Caprivi Strip, Central European Rus, Chad, Chatham Is., Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Congo, Connecticut, Corse, Costa Rica, Crozet Is., Cuba, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, Dominican Republic, East Aegean Is., East European Russia, East Himalaya, Ecuador, Egypt, El Salvador, Eritrea, Ethiopia, Falkland Is., Finland, Florida, France, Free State, Føroyar, Galápagos, Georgia, Germany, Great Britain, Greece, Greenland, Guatemala, Gulf States, Hainan, Haiti, Hawaii, Honduras, Hungary, Iceland, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Jamaica, Japan, Jawa, Juan Fernández Is., Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Kerguelen, Kermadec Is., Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Kuwait, KwaZulu-Natal, Labrador, Laos, Lebanon-Syria, Leeward Is., Lesotho, Libya, Louisiana, Macquarie Is., Madagascar, Madeira, Magadan, Maine, Malawi, Malaya, Mali, Maluku, Manchuria, Manitoba, Marion-Prince Edward, Maryland, Massachusetts, Mauritania, Mauritius, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Mozambique, Myanmar, Namibia, Nansei-shoto, Nebraska, Nepal, Netherlands, Nevada, New Brunswick, New Caledonia, New Guinea, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Newfoundland, Nicaragua, Niger, Norfolk Is., North Carolina, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northern Territory, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Nunavut, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Palestine, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Poland, Portugal, Primorye, Prince Edward I., Puerto Rico, Qinghai, Queensland, Québec, Rhode I., Romania, Rwanda, Sakhalin, Sardegna, Saskatchewan, Saudi Arabia, Senegal, Sicilia, Sinai, Socotra, Somalia, South Australia, South Carolina, South Dakota, South European Russi, South Georgia, Spain, Sri Lanka, Sudan, Sumatera, Svalbard, Swaziland, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tasmania, Tennessee, Texas, Thailand, Tibet, Transcaucasus, Tristan da Cunha, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Uganda, Ukraine, Uruguay, Utah, Uzbekistan, Venezuela, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Western Australia, Western Sahara, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yemen, Yugoslavia, Yukon, Zambia, Zaïre, Zimbabwe

Introduced into:

Amsterdam-St.Paul Is, Easter Is., St.Helena

Juncus L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Gomez, W. [Cat. no. 9000] K001132077 Yes
Gerard, P. [Cat. no. 9000], India K001132078 Yes
Wallich, N. [Cat. no. 9002], Nepal K001132081 Yes
Blinkworth, R. [Cat. no. 9002], India K001132082 Yes
s.coll. [Cat. no. 9000], India K001132076 Yes
Wallich, N. [Cat. no. 9001], Nepal K001132079 Yes
Blinkworth, R. [Cat. no. 9001], India K001132080 Yes

First published in Sp. Pl. 1: 325 (1753)

Accepted by

  • Balslev, H. & Zuluaga, A. (2009). Juncaceae Flora de Colombia 26: 1-80. Instituto de Ciencias Naturales, universidad Nacional de Colombia, Bogotá.
  • Kirschner, J. & al. (2002). Juncaceae Species Plantarum: Flora of the World 6-8: 1-237, 1-336,1-192. Australian Biological Resources Study, Canberra.

Literature

Flora of West Tropical Africa

  • F.T.A. 8: 92 (1901).
  • Sp. Pl. 325 (1753)

Flora of Somalia

  • Flora Somalia, Vol 4, (1995) Author: by K. A. Lye [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Buchen. in E.P. IV, 36: 98 (1906)
  • L., Gen. Pl., ed. 5: 152 (1754)
  • Sp. Pl.: 325 (1753)
  • Weim. in Svensk Bot. Tidskr. 40: 141 (1946)

  • Flora of Somalia

    Flora of Somalia
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    Flora of Tropical East Africa
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  • Herbarium Catalogue Specimens

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    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

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