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  1. Family: Polygonaceae Juss.
    1. Genus: Persicaria Mill.
      1. Persicaria nogueirae S.Ortiz & Paiva

        This species is accepted, and its native range is Angola to W. Zambia.

    [FZ]

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

    Type
    Type:Zambia, 25 km from Mwinilunga on road to Kalene Hill, Brummitt, Chisumpa & Polhill 13954 (K, holotype; NDO; SRGH; UPS).
    Habit
    A slender, erect, perennial herb, sometimes rooting at the lower nodes A slender, erect, perennial herb, sometimes rooting at the lower nodes.
    Stem
    Stems reddish-brown, branched, glabrous Stems reddish-brown, branched, glabrous.
    Ocrea
    Ocrea (0.7)0.9–1.8(2.5) cm long, acute or subacute at the apex, with short hairs along the veins and a basal ring of reflexed bristles Ocrea (0.7)0.9–1.8(2.5) cm long, acute or subacute at the apex, with short hairs along the veins and a basal ring of reflexed bristles.
    Flowers
    Flowers pedicellate, inserted singly, surrounded by short bracts and arranged in a long, very lax, slender, pedunculate panicle; bracts 2–3(3.5) mm long, ovate to orbiculate, scarious, sometimes with an acuminate apex, surface glabrous, ciliate at the margin; peduncle up to 6 cm long, eglandular Flowers pedicellate, inserted singly, surrounded by short bracts and arranged in a long, very lax, slender, pedunculate panicle; bracts 2–3(3.5) mm long, ovate to orbiculate, scarious, sometimes with an acuminate apex, surface glabrous, ciliate at the margin; peduncle up to 6 cm long, eglandular.
    Perianth
    Perianth white with purple to pinkish-mauve tips, 3–3.5 mm long, eglandular, with 5 lobes longer than the tube, unequal, the 2 external lobes c. 1.8 mm wide, broadly ovate, the 3 internal lobes c. 1 mm wide, lanceolate, both with rounded, obtuse apex Perianth white with purple to pinkish-mauve tips, 3–3.5 mm long, eglandular, with 5 lobes longer than the tube, unequal, the 2 external lobes c. 1.8 mm wide, broadly ovate, the 3 internal lobes c. 1 mm wide, lanceolate, both with rounded, obtuse apex.
    Stamens
    Stamens 8, unequal in length, included in the perianth; filaments up to c. 2.5 mm long, filiform; anthers white, 0.3 × 0.4 mm long Stamens 8, unequal in length, included in the perianth; filaments up to c. 2.5 mm long, filiform; anthers white, 0.3 × 0.4 mm long.
    Ovary
    Ovary 1.25 × 0.75 mm; styles 3, c. 1 mm long, united for half their length
    Fruits
    Nut (immature) c. 2 × 1.5 mm, trigonous. Nut (immature) c. 2 × 1.5 mm, ?trigonous.
    Ecology
    Grassy dambo and in swamp; 1390 m.
    Distribution
    Also in Angola and probably in Uganda and Tanzania. ZAM W Zambia
    Pistil
    Ovary 1.25 × 0.75 mm; styles 3, c. 1 mm long, united for half their length.
    Leaves
    Leaf lamina dull green, (2)4–7(10) × (0.4)0.5–0.7(1.4) cm, linear-lanceolate, acute at the apex, sagittate at the base with basal lobes up to 1 cm long, glabrous; petiole up to 1 cm long, sometimes with several reflexed bristles. Leaf lamina dull green, (2)4–7(10) × (0.4)0.5–0.7(1.4) cm, linear-lanceolate, acute at the apex, sagittate at the base with basal lobes up to 1 cm long, glabrous; petiole up to 1 cm long, sometimes with several reflexed bristles

    Distribution

    Native to:

    Angola, Zambia

    Other Data

    Persicaria nogueirae S.Ortiz & Paiva appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1998 Brummitt, R. [13954], Zambia K000244079 holotype

    Bibliography

    First published in Bot. J. Linn. Soc. 131: 168 (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: 168 (1999).

    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.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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