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This species is accepted, and its native range is Macaronesia, NW. Africa, Temp. Eurasia.
Polygonum arenastrum

[FZ]

Flora Zambesiaca. Vol. 9, Part 3. Polygonaceae-Myriaceae. Pope GV, Polhill RM, Martins ES. 2006.

Type
Type from France.
Morphology General Habit
A glabrous, prostrate or ± decumbent, rarely erect, annual herb, forming dense mats A glabrous, prostrate or ± decumbent, rarely erect, annual herb, forming dense mats.
Morphology Stem
Stems up to 70 cm long, much branched, leafy, becoming somewhat woody at the base Stems up to 70 cm long, much branched, leafy, becoming somewhat woody at the base.
Morphology Leaves
Leaves all similar, subsessile, 5–15 × 2–6 mm, elliptic to elliptic.lanceolate, acute at the apex, attenuate to the base Leaves all similar, subsessile, 5–15 × 2–6 mm, elliptic to elliptic-lanceolate, acute at the apex, attenuate to the base.
Morphology Leaves Ocrea
Ocrea silvery at least in the upper part, 3–5 mm long, ferrugineous below, lacerate Ocrea silvery at least in the upper part, 3–5 mm long, ferrugineous below, lacerate.
Morphology Reproductive morphology Flowers
Flowers shortly pedicellate, in axillary fascicles of 2–4 flowers, surrounded by leafy bracts Flowers shortly pedicellate, in axillary fascicles of 2–4 flowers, surrounded by leafy bracts.
Morphology Reproductive morphology Flowers Perianth
Perianth 1.5–2 × 2.5–3 mm, 5-lobed; lobes greenish with white or pinkish margins, at least twice as long as the perianth tube, flat and slightly imbricate Perianth 1.5–2 × 2.5–3 mm, 5-lobed; lobes greenish with white or pinkish margins, at least twice as long as the perianth tube, flat and slightly imbricate.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6, as long as the perianth; filaments filiform Stamens 6, as long as the perianth; filaments filiform.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 1–1.5 × 1.5–2 mm; styles 3, free, almost sessile
Ecology
Roadsides; c. 1500 m.
Distribution
Like P. aviculare this is a temperate region species which has become a subcosmopolitan weed. It is polymorphic and partially autogamic. Zimbabwe ZIM E
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 1–1.5 × 1.5–2 mm; styles 3, free, almost sessile.
Morphology Reproductive morphology Fruits
Nut dull but sometimes shiny on the edges, 2–2.5 mm long, trigonous, rarely lenticular, with 2 broad and convex sides and one narrower concave side, striate-punctate. Nut dull but sometimes shiny on the edges, 2–2.5 mm long, trigonous, rarely lenticular, with 2 broad and convex sides and one narrower concave side, striate-punctate.

Native to:

Afghanistan, Albania, Algeria, Altay, Amur, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Central European Rus, Chita, Corse, Czechoslovakia, Denmark, East Aegean Is., East European Russia, Finland, France, Germany, Greece, Hungary, Iran, Iraq, Irkutsk, Italy, Kamchatka, Khabarovsk, Krasnoyarsk, Kriti, Krym, Kuril Is., Madeira, Magadan, Manchuria, Mongolia, Morocco, Netherlands, North Caucasus, North European Russi, Northwest European R, Norway, Pakistan, Palestine, Poland, Portugal, Primorye, Romania, Sakhalin, Sardegna, Sicilia, Sinai, South European Russi, Spain, Sweden, Switzerland, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, West Himalaya, West Siberia, Yakutskiya, Yugoslavia

Introduced into:

Alabama, Alaska, Alberta, Arizona, Arkansas, British Columbia, California, Chile Central, Chile South, Colorado, Connecticut, Delaware, Florida, Georgia, Great Britain, Idaho, Illinois, Indiana, Iowa, Ireland, Kansas, Kentucky, Labrador, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Mexico Northwest, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, New Zealand North, Newfoundland, North Carolina, North Dakota, Northwest Territorie, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Zimbabwe

Polygonum arenastrum Boreau appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Cope, T.A. [RBG 530], Great Britain K000914098
Cope, T.A. [RBG 226], Great Britain K000914097

First published in Fl. Centre France, éd. 3, 2: 559 (1857)

Accepted by

  • Akeroyd, J.R. (2013). Docks and Knotweeds of Britain and Ireland: 1-258. Botanical Society of Britain and Ireland.
  • Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
  • Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
  • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
  • Danin, A. & Fragman- Sapir, O. (2019). Flora of Israel Online http://flora.org.il/en/plants/.
  • Davis, P.H. (ed.) (1967). Flora of Turkey and the East Aegean Islands 2: 1-581. Edinburgh University Press, Edinburgh.
  • Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève.
  • Gilman, A.V. (2015). New flora of Vermont Memoirs of the New York Botanical Garden 110: 1-614.
  • Kharkevich, S.S. (ed.) (1989). Plantae Vasculares Orientalis Extremi Sovietici 4: 1-380. Nauka, Leningrad.
  • Krasnoborov, I.M. & Malyshev, L.I. (2003). Flora of Siberia 5: 1-305. Scientific Publishers, Inc., Enfield, Plymouth.
  • Mateos, M.A. & Valdés, B. (2009). Catálogo de la flora vascular del Rif occidental calizo (N de Marruecos). I Selaginellaceae - Rosaceae Lagascalia 29: 105-257.
  • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
  • Parslow, R. & Bennallick, I. (2017). The new flora of the Isles of Scilly: 1-539. Parslow Press.
  • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
  • Qaiser, M. (2001). Flora of Pakistan 205: 1-190. Department of Botany, University of Karachi, Karachi.
  • Rechinger, K.H. & Schiman-Czeika, H. (1968). Flora Iranica 56: 1-88. Akademische Druck- u. Verlagsanstalt, Graz.
  • Schuster, T.M., Reveal, J.L., Bayly, M.J. & Kron, K.A. (2015). An updated molecular phylogeny of Polygonoideae (Polygonaceae): relationships of Oxygonum, Pteroxygonum, and Rumex, and a new circumscription of Koenigia Taxon 64: 1188-1208.
  • Srivastava, R.C. (2008). Certain new combinations and new synonyms in Polygonaceae of India Indian Forester 134: 1699.
  • Takhtajan, A.L. (ed.) in Takhtajan, A.L. (ed.) (2012). Konspekt Flora Kavkaza 3(2): 1-623. Editio Universitatis Petropolitanae.
  • Tupitsyna, N.N. (2012). Revision of Polygonaceae Juss. in the flora of southern part of Krasnoyarsk region Turczaninowia 15(2): 44-48.
  • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
  • Vladimirov, V., Dane, F. & Kit Tan (2015). New floristic records in the Balkans: 26 Phytologia Balcanica 21: 53-91.

Literature

Flora Zambesiaca

  • Fl. Centre France ed. 3, 2: 559 (1857).

Kew Backbone Distributions

  • (2020). https://bsbi.org/archaeophytes epublication.
  • Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
  • B.A.Fedtschenko & al. (1937). Flora Turkmenii 2: 1-217. Turkmenskoe gosudarstvennoe izd., Ashkhabad.
  • Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
  • Danin, A. & Fragman- Sapir, O. (2019). Flora of Israel Online http://flora.org.il/en/plants/.
  • Davis, P.H. (ed.) (1967). Flora of Turkey and the East Aegean Islands 2: 1-581. Edinburgh University Press, Edinburgh.
  • Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève.
  • Flora of North America Editorial Committee (2005). Flora of North America North of Mexico 5: 1-656. Oxford University Press, New York, Oxford.
  • Garcillán, P.P. & al. (2013). Plantas no nativas naturalizadas de la península de Baja California, México Botanical Sciences 91: 461-475.
  • Gilman, A.V. (2015). New flora of Vermont Memoirs of the New York Botanical Garden 110: 1-614.
  • Kharkevich, S.S. (ed.) (1989). Plantae Vasculares Orientalis Extremi Sovietici 4: 1-380. Nauka, Leningrad.
  • Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas.
  • Krasnoborov, I.M. & Malyshev, L.I. (2003). Flora of Siberia 5: 1-305. Scientific Publishers, Inc., Enfield, Plymouth.
  • Malyschev, L.I., Peshkova, G.A. & Baikov, K.S. (eds.) (2007). Flora of Siberia 14: 1-210. Scientific Publishers, Inc., Enfield, Plymouth.
  • Mateos, M.A. & Valdés, B. (2009). Catálogo de la flora vascular del Rif occidental calizo (N de Marruecos). I Selaginellaceae - Rosaceae Lagascalia 29: 105-257.
  • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
  • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
  • Rechinger, K.H. & Schiman-Czeika, H. (1968). Flora Iranica 56: 1-88. Akademische Druck- u. Verlagsanstalt, Graz.
  • Rodríguez, R., Grau, J., Baeza, C. & Davies, A. (2008). Lista comentada de las plantas vasculares de los Nevados de Chillan, Chile Gayana. Botánica 65: 153-197.
  • Saldivia, P. & Rojas, G. (2008). Nuevos registros y antecedentes de la familia Cactaceae para Chile en la region de Aisen Gayana. Botánica 65: 198-208.
  • Srivastava, R.C. (2008). Certain new combinations and new synonyms in Polygonaceae of India Indian Forester 134: 1699.
  • Takhtajan, A.L. (ed.) in Takhtajan, A.L. (ed.) (2012). Konspekt Flora Kavkaza 3(2): 1-623. Editio Universitatis Petropolitanae.
  • Tupitsyna, N.N. (2012). Revision of Polygonaceae Juss. in the flora of southern part of Krasnoyarsk region Turczaninowia 15(2): 44-48.
  • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
  • Wu, Z. & Raven, P.H. (eds.) (2003). Flora of China 5: 1-505. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis).

Flora Zambesiaca
Flora Zambesiaca
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Herbarium Catalogue Specimens
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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

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