1. Family: Brassicaceae Burnett
    1. Genus: Nasturtium W.T.Aiton
      1. Nasturtium officinale W.T.Aiton

        This species is accepted, and its native range is Temp. Eurasia, Macaronesia, N. & NE. Tropical Africa.

    [FZ]

    Cruciferae, A. W. Exell. Flora Zambesiaca 1:1. 1960

    Habit
    Aquatic or semi-aquatic herb with glabrous stems, often rooting at the nodes, varying greatly in length according to conditions.
    Leaves
    Lower leaves up to about 13 x 5.5 cm. (reduced when not growing in water), lyrate-pinnate, the upper sessile and auricled, glabrous or with a few sparse hairs, leaflets oblong-elliptic to sub-orbicular, obtuse, margins usually sinuate.
    Flowers
    Flowers white, pedicellate, pedicel up to 7–10 mm. long, in short, terminal, somewhat corymbose racemes.
    Calyx
    Sepals 2–2.5 x 0.8 mm., oblong.
    Corolla
    Petals 4–5 mm. long.
    Stamens
    Stamens 6.
    Fruits
    Silique 10–18 x 1.5–3 mm., terete, cylindric, somewhat curved, with persistent style 0.5–1 mm. long.
    Seeds
    Seeds 2-seriate, 0.7–1 x 0.5–0.6 mm., lenticular.
    [FWTA]

    Cruciferae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:1. 1954

    Vernacular
    The Common Watercress
    Ecology
    Introduced to, and naturalized in, certain localities within our area
    Flowers
    Flowers white.
    [FTEA]

    Cruciferae, Bengt Jonsell (University of Stockholm). Flora of Tropical East Africa. 1982

    Habit
    Perennial, practically glabrous herb.
    Stem
    Stems juicy and hollow, prostrate to ascending, usually rooting at the lower nodes, richly branched, 10–100 cm. long.
    Leaves
    Leaves petiolate, auriculate, pinnatisect, oblong in outline, up to 10 cm. long; lateral leaflets in 2–9 pairs, sessile, narrowly obovate, elliptic or nearly orbicular, entire to faintly dentate; terminal leaflet of similar shape, often somewhat larger.
    Inflorescences
    Racemes mostly terminal, ebracteate, with numerous small white flowers, in fruit rather lax but short, usually ± 10 cm. long.
    Pedicel
    Pedicels spreading to somewhat reflexed, 8–12 mm. long.
    Calyx
    Sepals green, elliptic, ± 2 mm. long.
    Corolla
    Petals white, often with a violet tinge, obovate, ± 4 mm. long.
    Anthers
    Anthers ± 0.7 mm. long.
    Ovary
    Ovary narrowly ellipsoid, with short but distinct style.
    Fruits
    Siliqua broadly linear, often curved and torulose, 10–18 mm. long, 2–2.5 mm. broad, 7–12 times as long as broad, with seeds arranged in 2 distinct rows; style 0.8–1.8 mm. long, ± 0.5 mm. broad, with a slightly expanded stigma; valves rather thin, bulging when seeds ripe.
    Seeds
    Seeds shining, dark red-brown, nearly orbicular in outline, 1–1.3 mm. long, covered by a distinct rather high reticulum, which forms 25–50 areoles at each side of the seed.
    Figures
    Fig. 18/4, p. 52.
    Habitat
    Muddy or gravelly soil along running water, sometimes floating; 1500–2700 m.
    Distribution
    native in Eurasia and perhaps in Ethiopia, but widely cultivated (“water-cress”) and spread with European settlement to temperate and montane areas throughout the world K1 K4 T2 T3 T7

    Images

    Distribution

    Native to:

    Albania, Algeria, Austria, Azores, Baleares, Belgium, Bulgaria, Canary Is., Cape Verde, Central European Rus, Chad, Corse, Czechoslovakia, Denmark, East Aegean Is., Egypt, Ethiopia, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Kazakhstan, Kirgizstan, Kriti, Krym, Libya, Madeira, Morocco, Netherlands, Palestine, Poland, Portugal, Romania, Sardegna, Saudi Arabia, Sicilia, Sinai, Spain, Sudan, Sweden, Switzerland, Tunisia, Turkey-in-Europe, Ukraine, Uzbekistan, Yugoslavia

    Introduced into:

    Alabama, Alaska, Alberta, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Baltic States, Bangladesh, Bolivia, Brazil South, British Columbia, California, Cameroon, Cape Provinces, Chile Central, Chile North, Chile South, Colombia, Colorado, Connecticut, Cook Is., Cuba, Delaware, District of Columbia, Dominican Republic, Ecuador, El Salvador, Fiji, Florida, Free State, French Guiana, Galápagos, Georgia, Guatemala, Gulf of Guinea Is., Haiti, Honduras, Idaho, Illinois, Indiana, Iowa, Jamaica, Juan Fernández Is., Kansas, Kentucky, Kenya, Korea, KwaZulu-Natal, Leeward Is., Lesotho, Maine, Mali, Manitoba, Maryland, Masachusettes, Mauritania, Mauritius, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Mozambique, Nebraska, Nevada, New Brunswick, New Caledonia, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, Nicaragua, Niger, Norfolk Is., North Carolina, North Dakota, Northern Provinces, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Paraguay, Pennsylvania, Peru, Prince Edward I., Puerto Rico, Québec, Rhode I., Rodrigues, Rwanda, Réunion, Solomon Is., South Carolina, South Dakota, St.Helena, Tanzania, Tennessee, Texas, Trinidad-Tobago, Tristan da Cunha, Uruguay, Utah, Venezuela, Vermont, Virginia, Washington, West Virginia, Windward Is., Wisconsin, Wyoming, Zaïre, Zimbabwe

    Nasturtium officinale W.T.Aiton appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 4, 2011 Day, C.D. [299], Turkey K000341536
    Hooker, J.D. [s.n.] K001134166
    Heyde [3078], Guatemala K001134321
    Lowe, R.T. [s.n.], Portugal K001134165
    Wallich, N. [Cat. no. 4774], India K001039870
    Migeod, F. [52], Cameroon Rorippa nasturtium-aquaticum K000105775

    First published in Hortus Kew. 4: 110 (1812)

    Accepted by

    • Villaseñor, J.L. (2016). Checklist of the native vascular plants of Mexico Revista Mexicana de Biodiversidad 87: 559-902.
    • Al-Eisawi, D. (2016). Taxonomic synopsis of Brassicaceae for the flora of Jordan Webbia; Raccolta de Scritti Botanici 71: 219-226.
    • Sykes, W.R. (2016). Flora of the Cook Islands: 1-973. National Tropical Botanical Garden, Hawaii.
    • Gilman, A.V. (2015). New flora of Vermont Memoirs of the New York Botanical Garden 110: 1-614.
    • Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press.
    • Bailey, C. & al. (2015). Guide to the Vascular Plants of Tennessee: 1-813. University of Tennessee press.
    • Larson, J., Reif, B., Nelson, B.E. & Hartman, R.L. (2014). Floristic studies in North Central New Mexico, U.S.A. the Sange de Cristo mountains Journal of the Botanical Research Institute of Texas 8: 271-303.
    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
    • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
    • Jørgensen, P.M., Nee, M.H. & Beck., S.G. (eds.) (2013). Catálogo de las plantas vasculares de Bolivia Monographs in Systematic Botany from the Missouri Botanical Garden 127: 1-1741. Missouri Botanical Garden.
    • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
    • Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Authier, P. & Covillot, J. (2011). Catalogue actualisé des plantes de l'île de Rhodes (Grèce) Saussurea; Travaux de la Société Botanique de Genève 41: 131-170.
    • 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.
    • Gremmen, N. & Halbertsma, R.L. Gremmen, N. & Halbertsma, R.L. (2009). Alien plants and their impact on Tristan da Cunha 2: 1-307. Overseas Territories Environment Programme (OTEP).
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • Jones, R.L. (2005). Plant life of Kentucky. An illustrated guide to the vascular flora: 1-833. The universitry press of Kentucky.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666. Missouri Botanical Garden.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181. Missouri Botanical Garden.
    • Abdulina, S.A. (1999). Spisok Sosudistykn Rastenii Kazakhstana: 1-187. Academy of Sciences, Almaty, Kazakhstan.
    • Collenette, S. (1999). Wildflowers of Saudi Arabia: 1-799. National commission for wildlife conservation and development (NCWCD), Kingdom of Saudi Arabia.
    • Hansen, A. & Sunding, P. (1993). Flora of Macaronesia. Checklist of vascular plants. 4. revised edition Sommerfeltia 17: 1-295.
    • Hancock, I.R. & Henderson, C.P. (1988). Flora of the Solomon Islands Research Bulletin Dodo Creek Research Station 7: 1-203.
    • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.

    Not accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew. [Cited as Rorippa nasturtium-aquaticum.]

    Literature

    Kew Backbone Distributions
    • Jaramillo Díaz, P. & Guézou, A. (2017). CDF Checklist of Galapagos Vascular Plants - FCD Lista de especies de Plantas Vasculares de Galápagos http://www.darwinfoundation.org/datazone/checklists/vascular-plants/.
    • Villaseñor, J.L. (2016). Checklist of the native vascular plants of Mexico Revista Mexicana de Biodiversidad 87: 559-902.
    • Al-Eisawi, D. (2016). Taxonomic synopsis of Brassicaceae for the flora of Jordan Webbia; Raccolta de Scritti Botanici 71: 219-226.
    • Sykes, W.R. (2016). Flora of the Cook Islands: 1-973. National Tropical Botanical Garden, Hawaii.
    • Gilman, A.V. (2015). New flora of Vermont Memoirs of the New York Botanical Garden 110: 1-614.
    • Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press.
    • Bailey, C. & al. (2015). Guide to the Vascular Plants of Tennessee: 1-813. University of Tennessee press.
    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Larson, J., Reif, B., Nelson, B.E. & Hartman, R.L. (2014). Floristic studies in North Central New Mexico, U.S.A. the Sange de Cristo mountains Journal of the Botanical Research Institute of Texas 8: 271-303.
    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
    • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
    • Jørgensen, P.M., Nee, M.H. & Beck., S.G. (eds.) (2013). Catálogo de las plantas vasculares de Bolivia Monographs in Systematic Botany from the Missouri Botanical Garden 127: 1-1741. Missouri Botanical Garden.
    • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Garcia-Mendoza, A.J. & Meave, J.A. (eds.) (2012). Diversidad florística de Oaxaca: de musgos a angiospermas (colecciones y listas de especies), ed. 2: 1-351. Instituto de Biología, Universidad Nacional Autónoma de México.
    • Figueiredo, E., Paiva, J., Stévart, T., Oliveira, F. & Smith, G.F. (2011). Annotated catalogue of the flowering plants of São Tomé and Príncipe Bothalia, A Journal of Botanical Research 41: 41-82.
    • Dobignard, A. & Chatelain, C. (2011). Index synonymique de la flore d'Afrique du nord 3: 1-449. Éditions des conservatoire et jardin botaniques, Genève.
    • Lazkov, G.A. & Sultanova, B.A. (2011). Checklist of vascular plants of Kyrgyzstan Norrlinia 24: 1-166.
    • Authier, P. & Covillot, J. (2011). Catalogue actualisé des plantes de l'île de Rhodes (Grèce) Saussurea; Travaux de la Société Botanique de Genève 41: 131-170.
    • Idárraga-Piedrahita, A., Ortiz, R.D.C., Callejas Posada, R. & Merello, M. (eds.) (2011). Flora de Antioquia: Catálogo de las Plantas Vasculares 2: 1-939. Universidad de Antioquia, Medellín.
    • 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.
    • Flora of North America Editorial Committee (2010). Flora of North America North of Mexico 7: 1-797. Oxford University Press, New York, Oxford.
    • 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.
    • Gremmen, N. & Halbertsma, R.L. Gremmen, N. & Halbertsma, R.L. (2009). Alien plants and their impact on Tristan da Cunha 2: 1-307. Overseas Territories Environment Programme (OTEP).
    • GBIF (2008-continuously updated). Global Biodiversity Information Facility http://www.gbif.org/.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • Jones, R.L. (2005). Plant life of Kentucky. An illustrated guide to the vascular flora: 1-833. The universitry press of Kentucky.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666. Missouri Botanical Garden.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181. Missouri Botanical Garden.
    • Abdulina, S.A. (1999). Spisok Sosudistykn Rastenii Kazakhstana: 1-187. Academy of Sciences, Almaty, Kazakhstan.
    • Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
    • Collenette, S. (1999). Wildflowers of Saudi Arabia: 1-799. National commission for wildlife conservation and development (NCWCD), Kingdom of Saudi Arabia.
    • Morat, P. (ed.) (1997). Flore de la Nouvelle-Calédonie et Dépendances 21: 1-121. Muséum National d'Histoire Naturelle, Paris.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
    • Orchard, A.E. (ed.) (1994). Oceanic Islands 1 Flora of Australia 49: 1-681. Australian Government Publishing Service, Canberra.
    • Hansen, A. & Sunding, P. (1993). Flora of Macaronesia. Checklist of vascular plants. 4. revised edition Sommerfeltia 17: 1-295.
    • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
    • Hancock, I.R. & Henderson, C.P. (1988). Flora of the Solomon Islands Research Bulletin Dodo Creek Research Station 7: 1-203.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Brown, L.C. (1982). The Flora and Fauna of St Helena: 1-88. Land Resources Development Centre, Surbiton, England.
    • Smith, A.C. (1981). Flora Vitiensis Nova. A new flora for Fiji (Spermatophytes only) 2: 1-810. Pacific Tropical Botanical Garden, Lawai.
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    • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.
    • Exell, A.W. & Wild, H. (eds.) (1960). Flora Zambesiaca 1(1): 1-336. Royal Botanic Gardens, Kew.
    • Quézel, P. (1958). Mission Botanique au Tibesti: 1-357. Université d'Alger.
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    • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    Sources

    Art and Illustrations in Digifolia
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Flora Zambesiaca
    Flora Zambesiaca
    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

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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