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  1. Family: Polygonaceae Juss.
    1. Genus: Persicaria Mill.
      1. Persicaria strigosa (R.Br.) H.Gross

        This species is accepted, and its native range is W. Ethiopia to S. Africa, Madagascar, Tropical & Subtropical Asia.

    [FZ]

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

    Type
    Type from Australia.
    Habit
    A slender straggling annual herb, sometimes rooting at the lower nodes
    Stem
    Stems greenish-brown, simple or branched, with reflexed bristles, sometimes interspersed with short- or long-stalked glands
    Leaves
    Leaf lamina 5–10 × 0.4–1.6(2.5) cm, narrowly linear-lanceolate, truncate to sagittate at the base with basal lobes 0.5–1.2(2) cm long, glabrous or pubescent on both surfaces but with reflexed bristles on the midrib and veins on the leaf undersurface; petiole 0.2–1(2) cm long, bristly
    Ocrea
    Ocrea 2–3 cm long, truncate at the apex, with reflexed bristles and shorter ascending hairs interspersed
    Flowers
    Flowers pedicellate, singly or in fascicles of 2–3, surrounded by short bracts and arranged in a lax, slender, openly branched pedunculate panicle; bracts 2–2.5 mm long, ovate to orbiculate, scarious and ciliate at the margin; peduncle up to 6 cm long, covered with patent purplish-red stalked glands
    Perianth
    Perianth white with pink tips, white flushed pink, or pale blue, 2.5–3 mm long, gland-dotted, with 5 lobes as long as the tube
    Stamens
    Stamens 5, included in the perianth; filaments up to c. 2 mm long, filiform; anthers white, 0.25 × 0.2 mm
    Ovary
    Ovary 1.25 × 0.75 mm; styles 2, c. 5 mm long, united for two-thirds of their length
    Fruits
    Nut smooth and shiny, 2–2.25 × 1–1.5 mm, biconvex-lenticular or bluntly trigonous.
    Ecology
    Wet ground at stream edges, grasslands, growing in water; 1070–2250 m.
    Distribution
    Zambia BOT N, ZAM B, ZAM N, ZAM W, ZAM C, ZIM N, ZIM C, ZIM E, MAL N, MAL C Botswana Widespread in tropical Africa, Namibia and South Africa, also in Madagascar, Asia and Australia. Malawi Zimbabwe
    [FTEA]

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

    Habit
    A rather slender, erect annual herb, up to ± 1.5 m. tall.
    Stem
    Stems simple or branched, yellowish to greenish-brown, usually with retrorse, spiny bristles down the angles interspersed with short- and long-stalked glands; rarely ± glabrous.
    Ocrea
    Ocreae foliferous at the base, 2–3 cm. long, truncate, with scattered bristly hairs interspersed with shorter hairs.
    Leaves
    Leaves petiolate, narrowly linear-lanceolate to lanceolate (broader in Australian examples), 8–10 × 0.8–1.6 (–2.5) cm., truncate to sagittate, the basal lobes 0.5–1.2 (–2) cm. long, usually reflexed, sometimes reduced to very small, lateral teeth, rarely absent and then the leaves ± elliptic and basally attenuate, apically long-acute; degree of hairiness variable, both surfaces usually with at least a few hairs, but the undersurface typically rough with spiny, recurved bristles on the midrib and veins.
    Petiole
    Petioles short, 0.2–1 (–2) cm. long, usually bristly.
    Inflorescences
    Inflorescence a very lax and slender, interrupted, ± dichotomously-branched panicle, up to ± 4–5 cm. long, or aggregated terminally into short, few-flowered capitula, the peduncles covered with horizontally-spreading gland-tipped hairs.
    Bracts
    Bracts ciliate.
    Flowers
    Flowers 1–3 together.
    Pedicel
    Pedicels up to 5 mm. long, exceeding the bracts, with glandular hairs.
    Perianth
    Perianth 2.5–3 mm. long, glandular; tepals 5, rose pink or white edged with pink, ± equalling the tube, broadly oblong, terminally rounded.
    Stamens
    Stamens 5, included.
    Style
    Styles 2, united for their length.
    Fruits
    Nut biconvex-lenticular or bluntly trigonous, 2.25 × 1.25 mm., smooth, shining.
    Figures
    Fig. 3/4, p. 15.
    Habitat
    et places, river banks, etc., often growing in water; 1110-1920 m.
    Distribution
    widely spread in tropical Africa K4 T1 T3 T7 T8 U2 U4

    Images

    Distribution

    Native to:

    Angola, Assam, Bangladesh, Botswana, Burundi, Cape Provinces, China South-Central, China Southeast, East Himalaya, Ethiopia, Free State, India, Jawa, Kenya, KwaZulu-Natal, Madagascar, Malawi, Malaya, Myanmar, Namibia, Nepal, New Guinea, Northern Provinces, Rwanda, Sri Lanka, Swaziland, Tanzania, Thailand, Uganda, Vietnam, West Himalaya, Zambia, Zaïre, Zimbabwe

    Introduced into:

    New Zealand North

    Synonyms

    Other Data

    Persicaria strigosa (R.Br.) H.Gross appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 1, 2001 Brown, R. [2997], Australia Polygonum strigosum K000830502 isotype
    Nov 1, 2001 anon. [s.n.], India Polygonum strigosum K000662289
    Brown, R. [s.n.], New South Wales Polygonum strigosum K000830503

    Bibliography

    First published in Bot. Jahrb. Syst. 49: 308 (1913)

    Accepted by

    • Chayamarit, K. & Balslev, H. (2018). Flora of Thailand 14(1): 1-184. The Forest Herbarium, Royal Forest Department.
    • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
    • 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.
    • Lê, T.C. (2003). Danh l?c các loài th?c v?t Vi?t Nam 2: 1-1203. Hà N?i : Nhà xu?t b?n Nông nghi?p.
    • 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.
    • Turner, I.M. (1995 publ. 1997). A catalogue of the Vascular Plants of Malaya Gardens' Bulletin Singapore 47(2): 347-655.
    • Grierson, A.J.C. & Long, D.G. (1983). Flora of Bhutan 1(1): 1-186. Royal Botanic Gardens, Edinburgh.

    Literature

    Flora Zambesiaca

    • Bot. Jahrb. Syst. 49: 308 (1913).

    Kew Backbone Distributions

    • Chayamarit, K. & Balslev, H. (2018). Flora of Thailand 14(1): 1-184. The Forest Herbarium, Royal Forest Department.
    • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
    • Choudhary, R.K., Srivastava, R.C., Das, A.K. & Lee, J. (2012). Floristic diversity assessment and vegetation analysis of Upper Siang district of eastern Himalaya in North East India Korean Journal of Plant Taxonomy 42: 222-246.
    • Sarmah, K.K. & Borthakur, S.K. (2009). A checklist of angiospermic plants of Manas national park in Assam, India Pleione 3: 190-200.
    • 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.
    • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590. Smithsonian Institution.
    • Wu, Z. & Raven, P.H. (eds.) (2003). Flora of China 5: 1-505. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis).
    • Lê, T.C. (2003). Danh l?c các loài th?c v?t Vi?t Nam 2: 1-1203. Hà N?i : Nhà xu?t b?n Nông nghi?p.
    • 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.
    • Dassanayake (ed.) (1997). A Revised Handbook to the Flora of Ceylon 11: 1-420. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
    • Turner, I.M. (1995 publ. 1997). A catalogue of the Vascular Plants of Malaya Gardens' Bulletin Singapore 47(2): 347-655.
    • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.
    • 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.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    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

    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

    Plants and People Africa
    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/