1. Family: Polygonaceae Juss.
    1. Genus: Oxygonum Burch. ex Campd.
      1. Oxygonum magdalenae Dammer ex Peter

        This species is accepted, and its native range is SW. & S. Tanzania.

    [FTEA]

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

    Habit
    A stout, erect herb up to 50 cm. tall.
    Stem
    Stems brownish red, thickly hairy below with short brown hairs, becoming less so above, or glabrous throughout.
    Ocrea
    Ocreae 7–8 mm. long, hairy as the stem, truncate, terminally fringed with setae 5–6 mm. long, the leaf inserted a little above the middle.
    Leaves
    Leaves sessile to shortly petiolate, elliptic, 35–45 × 9–13 mm., acute with a terminal mucro 0.5 mm. long, ± evenly narrowed to each end or more shortly so to the base, shortly and varyingly hairy on both surfaces but especially thickly on the midrib and veins below and on the margin, sometimes glabrous throughout.
    Petiole
    Petioles 0–6 mm. long.
    Inflorescences
    Inflorescence stout, up to and mainly 2 mm. thick (sicc.).
    Bracts
    Bracts 4–6 mm. long, up to 7 cm. apart, truncate but dorsally produced into a narrow-lanceolate point 4 mm. long with 2 lateral setae on each side.
    Pedicel
    Pedicels 2–4 together, those of the fruit exceeding the bracts by 5 mm.
    Flowers
    Flowers showy, 7–9 (? more) mm. across. Short-styled flowers:tepals 3 mm. long, ovate to oblong; styles 2 (–1.5) mm. long, connate for just under half their length (or free to the base), reddish. Long-styled flowers:tepals 4 mm., styles 4 mm. long, connate for 1 mm.
    Short-styled
    Short-styled flowers:tepals 3 mm. long, ovate to oblong; styles 2 (–1.5) mm. long, connate for just under half their length (or free to the base), reddish.
    Long-styled
    Long-styled flowers:tepals 4 mm., styles 4 mm. long, connate for 1 mm.
    Fruits
    Fruit pubescent (glabrous fide Peter), fusiform, 9–10 m. long, with three prickles 3–4 mm. long spreading horizontally from the centre.
    Habitat
    Brachystegia -woodland and probably upland grassland; 1000–1600 m.
    Distribution
    not known elsewhere T7 T8

    Distribution

    Native to:

    Tanzania

    Oxygonum magdalenae Dammer ex Peter appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Milne-Redhead, E. [8497a], Tanzania 24179.000
    Bidgood, S. [5362], Tanzania K000190592

    First published in Repert. Spec. Nov. Regni Veg. Beih. 40(2): 186 (1932)

    Accepted by

    • Graham, R.A. (1958). Flora of Tropical East Africa, Polygonaceae: 1-40.

    Literature

    Kew Backbone Distributions
    • Graham, R.A. (1958). Flora of Tropical East Africa, Polygonaceae: 1-40.
    Flora of Tropical East Africa
    • Peter in Flora von Deutsch-Ostafrika 2: 186 (1932).

    Sources

    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