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  1. Family: Polygonaceae Juss.
    1. Genus: Persicaria Mill.
      1. Persicaria glomerata (Dammer) S.Ortiz & Paiva

        This species is accepted, and its native range is Nigeria to Tanzania and S. Tropical Africa.

    [FZ]

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

    Type
    Syntypes from Cameroon.
    Habit
    An erect or semi-decumbent annual, or sometimes perennial herb, often rooting at the lower nodes An erect or semi-decumbent annual, or sometimes perennial herb, often rooting at the lower nodes.
    Stem
    Stem reddish-brown, up to 2 m tall, glabrous Stem reddish-brown, up to 2 m tall, glabrous.
    Leaves
    Leaf lamina 7.5–18 × 0.7–2.6 cm, linear-lanceolate to elliptic.lanceolate, acute at the apex, attenuate and cuneate at the base, rarely the lowermost leaves truncate to sagittate, glabrous or with some reflexed bristles on the midrib and margins; petiole 1–2.5 cm long, shorter on upper leaves, glabrous Leaf lamina 7.5–18 × 0.7–2.6 cm, linear-lanceolate to elliptic-lanceolate, acute at the apex, attenuate and cuneate at the base, rarely the lowermost leaves truncate to sagittate, glabrous or with some reflexed bristles on the midrib and margins; petiole 1–2.5 cm long, shorter on upper leaves, glabrous.
    Ocrea
    Ocrea 2–4 cm long, ovate-lanceolate, generally glabrous, sometimes with ± abundant reflexed bristles, apex with a fringe of short reddish-brown setae Ocrea 2–4 cm long, ovate-lanceolate, generally glabrous, sometimes with ± abundant reflexed bristles, apex with a fringe of short reddish-brown setae.
    Flowers
    Flowers in dense, shortly pedunculate heads racemosely arranged in dichotomously branched panicles; peduncle short, slender with purplish-red gland-tipped hairs; bracts brown, scarious, ciliate on the margin Flowers in dense, shortly pedunculate heads racemosely arranged in dichotomously branched panicles; peduncle short, slender with purplish-red gland-tipped hairs; bracts brown, scarious, ciliate on the margin.
    Ovary
    Ovary 0.8–0.9 × 0.35–0.4 mm; styles 2(3), c. 0.6 mm long, united below the middle
    Ecology
    Riversides among grasses, growing in water; 100–1500 m.
    Distribution
    Also in Tanzania, Dem. Rep. Congo, Angola, Cameroon, Nigeria and Guinea. Mozambique Malawi ZAM N, ZAM W, MAL N, MAL C, MAL S, MOZ N, MOZ MS Zambia
    Perianth
    Perianth white, pale pink or pink, 2.8–3 mm long, with 5 lanceolate lobes longer than the tube. Perianth white, pale pink or pink, 2.8–3 mm long, with 5 lanceolate lobes longer than the tube
    Stamens
    Stamens 5–7, included in the perianth; filaments c. 1 mm long; anthers 0.25 × 0.15 mm. Stamens 5–7, included in the perianth; filaments c. 1 mm long; anthers 0.25 × 0.15 mm
    Pistil
    Ovary 0.8–0.9 × 0.35–0.4 mm; styles 2(3), c. 0.6 mm long, united below the middle.
    Fruits
    Nut brownish-yellow, ± dull, 1.75 × 1.5 mm, biconvex or trigonous, obscurely punctate. Nut brownish-yellow, ± dull, 1.75 × 1.5 mm, biconvex or trigonous, obscurely punctate.
    [FTEA]

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

    Habit
    An erect herb, 1–1.5 m. tall.
    Stem
    Stem reddish-brown, glabrous.
    Ocrea
    Ocreae 2.5–3 cm. long, ovate-lanceolate, reddish-brown, subglabrous, with a terminal fringe of short setae up to 1 mm. long, readily tearing down one side, the mouth not closely appressed.
    Leaves
    Leaves petiolate, narrowly elliptic-lanceolate, 7.5–15 × 1–2.5 cm., narrowed to each end, apically acute, basally gradually or abruptly attenuate, glabrous or with a few scattered, short setae on the margins.
    Petiole
    Petioles glabrous, up to 2.5 cm. long, shorter upwards, the upper leaves subsessile.
    Inflorescences
    Inflorescence a dichotomously branched panicle of short, dense, racemose capitula, the peduncles short, slender, covered with stalked glands, the terminal peduncle scarcely exceeding 1 cm.
    Bracts
    Bracts obscurely truncate, 1.25–3 mm. long, with a shortly-ciliate terminal fringe.
    Perianth
    Perianth white or pink; tepals 5, linear-lanceolate, 2.8–3 mm. long, longer than the tube.
    Stamens
    Stamens 5–7, included.
    Pistil
    Styles 2, connate above the middle; stigmas capitate.
    Fruits
    Nut biconvex-lenticular, 1.5–1.75 mm. long.
    Figures
    Fig. 3/3.
    Habitat
    Wet places, stream sides, sometimes in flowing water; 1000-2000 m.
    Distribution
    T6 T7 T8

    Images

    Distribution

    Native to:

    Angola, Cameroon, Congo, Malawi, Mozambique, Nigeria, Tanzania, Zambia, Zaïre

    Synonyms

    Other Data

    Persicaria glomerata (Dammer) S.Ortiz & Paiva appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jun 1, 2000 Cheek, M. [8701], Cameroon Polygonum glomeratum K000746950
    Jun 1, 2000 Etuge, M. [4511], Cameroon Polygonum glomeratum K000746954

    Bibliography

    First published in Bot. J. Linn. Soc. 131: 171 (1999)

    Accepted by

    • 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.

    Literature

    Flora Zambesiaca

    • Bot. J. Linn. Soc. 131: 171 (1999). TAB. 2.

    Kew Backbone Distributions

    • 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.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • 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

    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.

    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/