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  1. Family: Polygonaceae Juss.
    1. Genus: Persicaria Mill.
      1. Persicaria senegalensis (Meisn.) Soják

        This species is accepted, and its native range is Africa to Arabia Peninsula.

    [FZ]

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

    Habit
    An erect robust perennial herb An erect robust perennial herb. Plants thickly covered with whitish tomentum. Plants glabrous or essentially so; leaves green.
    Leaves
    Leaf lamina 8–27.5 × 3–8 cm, oblong-lanceolate to lanceolate, cuneate at the base and narrowing into the petiole, acute or long acuminate at the apex, with many ascending lateral nerves, glabrous apart from hairs on the midrib and margins to densely white-woolly on both surfaces, often more densely so on the lower surface, covered with small yellowish glands on the lower surface; petiole 1–5 cm long Leaf lamina 8–27.5 × 3–8 cm, oblong-lanceolate to lanceolate, cuneate at the base and narrowing into the petiole, acute or long acuminate at the apex, with many ascending lateral nerves, glabrous apart from hairs on the midrib and margins to densely white-woolly on both surfaces, often more densely so on the lower surface, covered with small yellowish glands on the lower surface; petiole 1–5 cm long.
    Ocrea
    Ocrea reddish-brown, membranous, up to 3.5 cm long, apex truncate, usually without cilia, rarely with short cilia, glabrous or with a variable tomentum outside Ocrea reddish-brown, membranous, up to 3.5 cm long, apex truncate, usually without cilia, rarely with short cilia, glabrous or with a variable tomentum outside.
    Flowers
    Flowers pedicellate, 2–3 in each of the numerous cup-like structures formed from upper bracts, borne on one or more densely flowered pedunculate spiciform racemes in a leafless paniculate arrangement; pedicels up to 2–3 mm long, articulated near the apex; peduncles up to 7 cm long, with orange glands, glabrous or with adpressed hairs; bracts broadly ovate, ± truncate or rounded at the apex, glabrous or hairy, with some orange glands Flowers pedicellate, 2–3 in each of the numerous cup-like structures formed from upper bracts, borne on one or more densely flowered pedunculate spiciform racemes in a leafless paniculate arrangement; pedicels up to 2–3 mm long, articulated near the apex; peduncles up to 7 cm long, with orange glands, glabrous or with adpressed hairs; bracts broadly ovate, ± truncate or rounded at the apex, glabrous or hairy, with some orange glands.
    Perianth
    Perianth rose-pink, greenish or white, 3–4 mm long, 4(5)-lobed, dotted with some orange glands; lobes 2–2.5 mm long Perianth rose-pink, greenish or white, 3–4 mm long, 4(5)-lobed, dotted with some orange glands; lobes 2–2.5 mm long.
    Stamens
    Stamens usually 7; filaments 2–5 mm long, filiform, dilated to the base; anthers 0.4–0.5 mm long, subglobose to ellipsoid Stamens usually 7; filaments 2–5 mm long, filiform, dilated to the base; anthers 0.4–0.5 mm long, subglobose to ellipsoid.
    Ovary
    Ovary 1.5 × 1.5 mm, compressed; styles 2, 1.5 mm long, united below the middle
    Fruits
    Nut smooth and shiny, 2.5–3.5 mm long, lenticular, with dimpled faces. Nut smooth and shiny, 2.5–3.5 mm long, lenticular, with dimpled faces.
    Ecology
    In damp places near water and often growing in water, in and beside dams, lakes and rivers, also in sandy soils of recently dry channels, locally common; 50–1700 m. The general distribution and habitat as for forma senegalensis; 45–1800 m.
    Type
    Type from Tanzania. Type from Senegal.
    Distribution
    Mozambique Malawi Zimbabwe Zambia Botswana Mozambique Malawi Zimbabwe Zambia BOT N, ZAM B, ZAM N, ZAM W, ZIM N, MAL N, MAL C, MOZ N, MOZ Z, MOZ T, MOZ M, MOZ S, BOT N, ZAM B, ZAM N, ZAM W, ZAM C, ZIM N, ZIM W, ZIM C, ZIM E, ZIM S, MAL N, MAL C, MOZ N, MOZ Z, MOZ T, MOZ M, MOZ S, MOZ GI, MOZ M Botswana The general distribution and habitat as for forma senegalensis; 45–1800 m. Widespread throughout tropical Africa, also in Madagascar, South Africa and Egypt.
    Stem
    Stems up to 3 m tall, glabrous to thickly and softly white-tomentose, sometimes rooting at the lower nodes. Stems up to 3 m tall, glabrous to thickly and softly white-tomentose, sometimes rooting at the lower nodes
    Pistil
    Ovary 1.5 × 1.5 mm, compressed; styles 2, 1.5 mm long, united below the middle.
    [FWTA]

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

    Habit
    Perennial, erect or semi-decumbent, 3–9 ft. high
    Ecology
    In riverbeds, swamps, etc.
    Flowers
    Flowers pink and white.
    [FTEA]

    Polygonaceae, R. A. Graham. Flora of Tropical East Africa. 1958

    Habit
    An erect, robust perennial up to 3 m. tall.
    Stem
    Stem often rooting at the basal nodes, varying from glabrous to thickly and softly white-tomentose, often obscured by the ocreae.
    Ocrea
    Ocreae up to 3.5 cm. long, membranous, reddish-brown, truncate, glabrous or covered in variable thickness with a cobwebby tomentum.
    Leaves
    Leaves large, petiolate, oblong-lanceolate, up to 27.5 × 6.5 cm.; with a long, acute or acuminate apex, basally narrowed to the petiole; glabrous throughout (or with short spiny bristles on the subsurface midrib) to densely white-tomentose on both faces or predominantly below, the undersurface covered with small, yellowish glands.
    Petiole
    Petioles up to 2.5 cm. long, glabrous to tomentose.
    Inflorescences
    Inflorescence a branched, leafless panicle of one to several, densely flowered spiciform racemes, the peduncles arising in pairs (more rarely in threes) from the short, cup-like, upper ocreae.
    Peduncles
    Peduncles covered with orange glands, puberulent varying to white-tomentose.
    Bracts
    Bracts broadly ovate, truncate, glabrous or pubescent, usually with at least a few orange glands.
    Perianth
    Perianth 3 mm. long, rose-pink, greenish or white, dotted with glands. Tepals 4, longer than the tube, elliptic-oblong, the outer pair a little broader than the inner.
    Fruits
    Nut lenticular with dimpled faces, 2.5 mm. long (apical beak 0.5 mm.), shining.
    Exudate
    This species exudes a yellow substance from its glands on to drying papers when under pressure.
    Figures
    Fig. 4/5 and 6, p. 23.

    Images

    Distribution

    Native to:

    Algeria, Angola, Benin, Botswana, Burundi, Cameroon, Central African Repu, Chad, Comoros, Congo, Egypt, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea-Bissau, Gulf of Guinea Is., Kenya, KwaZulu-Natal, Madagascar, Malawi, Mali, Mauritania, Morocco, Mozambique, Niger, Nigeria, Northern Provinces, Oman, Palestine, Rwanda, Senegal, Seychelles, Somalia, Sudan, Swaziland, Tanzania, Togo, Tunisia, Uganda, Yemen, Zambia, Zaïre, Zimbabwe

    Extinct in:

    St.Helena

    Introduced into:

    East Aegean Is., Kriti, Mauritius, Réunion

    Accepted Infraspecifics

    Synonyms

    Other Data

    Persicaria senegalensis (Meisn.) Soják appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1991 Schimper [163], Ethiopia K000244076 isotype
    Jan 1, 1991 Schimper [163], Ethiopia K000244077 lectotype

    Bibliography

    First published in Preslia 46: 155 (1974)

    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.
    • Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève.
    • Akeroyd, J.R. (2013). Docks and Knotweeds of Britain and Ireland: 1-258. Botanical Society of Britain and Ireland.
    • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
    • Lambdon, P. (2012). Flowering plants & ferns of St Helena: 1-624. Pisces publications for St Helena nature conservation group.
    • 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.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
    • Catarino, L., Martins, E.S., Diniz, M.A. & Pinto-Basto, M.F. (2006). Check-list da flora vascular do parque natural das Lagos de Cufada (Guiné-Bissau) Garcia de Orta, Série de Botânica 17: 97-141.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.) (2000). Flora of Ethiopia and Eritrea 2(1): 1-532. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
    • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. Royal Botanic Gardens, Kew.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.

    Literature

    Flora Zambesiaca

    • Kew Bull. 45: 630 (1990).
    • Preslia 46: 155 (1974).

    Kew Backbone Distributions

    • (2020). DOI: 10.15560/16.3.553 epublication.
    • 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.
    • Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève.
    • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
    • Lambdon, P. (2012). Flowering plants & ferns of St Helena: 1-624. Pisces publications for St Helena nature conservation group.
    • 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.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
    • Catarino, L., Martins, E.S., Diniz, M.A. & Pinto-Basto, M.F. (2006). Check-list da flora vascular do parque natural das Lagos de Cufada (Guiné-Bissau) Garcia de Orta, Série de Botânica 17: 97-141.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.) (2000). Flora of Ethiopia and Eritrea 2(1): 1-532. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
    • Bosser, J. & al. (eds.) (1994). Flore des Mascareignes 136-148: 1. IRD Éditions, MSIRI, RBG-Kew, Paris.
    • Castle, G.E. (1994). Flore des Seychelles Dicotylédones: 1-663. Orstom Editions.
    • Thulin, M. (ed.) (1993). Flora of Somalia 1: 1-493. The Royal Botanic Gardens, Kew.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.
    • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 1: 1-359. Centre Regional de Documentation Pedagogique, Nice.
    • 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.
    • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
    • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.
    • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(1): 1-85. ORSTROM, Bangui.
    • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Lebrun, J.-P., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
    • Graham, R.A. (1958). Flora of Tropical East Africa, Polygonaceae: 1-40.
    • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.

    Sources

    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 2020. 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 2020. 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