1. Family: Polygonaceae Juss.
    1. Genus: Oxygonum Burch. ex Campd.
      1. Oxygonum subfastigiatum R.A.Graham

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

    [FTEA]

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

    Habit
    A perennial much-branched herb.
    Stem
    Stems woody, reddish-brown, bearing many congested, persistent ocreae from previous seasons’ growth, pubescent or becoming glabrous.
    Ocrea
    Ocreae 7 mm. long on the old stems, 2.5–7 mm. long on the new growth, membranous, glabrous or pubescent, terminally truncate and fringed with setae 5–9 mm. long.
    Leaves
    Leaves sessile, glabrous, congested towards the base of the current seasons growth, 25–35 × 2–2.5 mm., ± erect, subfastigiate, linear, narrowed to each end, apically mucronate, the midrib prominent below, rather revolute at the margins.
    Inflorescences
    Inflorescence slender, up to ± 15 cm. long.
    Bracts
    Bracts glabrous, truncate but produced dorsally into a long point, terminally fringed with setae up to 3 mm. long.
    Pedicel
    Pedicels long, 7–13 mm., glabrous or puberulent, spreading becoming deflexed.
    Flowers
    Flowers not seen. Flowers 2–3 from each bract.
    Fruits
    Very immature fruit apparently prickly.
    Figures
    Fig. 6/5, p. 35.
    Habitat
    Sandy soil
    Distribution
    unknown beyond this single record T8

    Images

    Distribution

    Native to:

    Tanzania

    Oxygonum subfastigiatum R.A.Graham appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 16, 1956 Braun [1305], Tanzania K000244049 holotype

    First published in Kew Bull. 12: 156 (1957)

    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
    • R. Grah. in Kew Bulletin 1957: 156 (1957).

    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.
    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