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  1. Family: Rubiaceae Juss.
    1. Genus: Coptosperma Hook.f.
      1. Coptosperma zygoon (Bridson) Degreef

        This species is accepted, and its native range is S. Tropical Africa to Northern Prov.

    [FZ]

    Rubiaceae, D.M.Bridson & B.Verdcourt. Flora Zambesiaca 5:3. 2003

    Habit
    Much-branched or multi-stemmed shrub, 0.5–3 m tall; very young stems with light grey to buff- coloured bark, pubescent; lateral branches reduced to cushion shoots (brachyblasts) or up to 1 cm long.
    Leaves
    Leaves deciduous; blades drying grey-green or blackish, 1.4–4.2 × 0.5–2.5 cm, those borne along young stems linear-oblong, those clustered on brachyblasts narrowly to broadly elliptic, obtuse to acute and sometimes shortly apiculate at apex, cuneate at base, papery, finely pubescent to glabrescent above, finely pubescent with denser hairs on nerves beneath or occasionally entirely glabrous; lateral nerves in c. 3 main pairs; domatia present as small hairy tufts; petioles 2–5 mm long, pubescent; stipules 2–3 mm long, triangular-acuminate, pubescent outside.
    Inflorescences
    Inflorescence terminal on the brachyblasts, 3–8-flowered, sessile, congested; inflorescence branches almost entirely suppressed; pedicels suppressed, bracteoles small, numerous, pubescent outside.
    Calyx
    Calyx tube c. 1 mm long, drying black, glabrous; limb-tube ± absent; lobes 0.5–0.75 × 0.5 mm, oblong-ovate or ovate, obtuse to rounded, clearly separated by sinuses, drying pale or light brown and somewhat chaffy, pubescent outside.
    Corolla
    Corolla white, glabrous or less often sparsely hairy outside, hairy at throat and pubescence continuing part-way along lobes; tube 2–3 mm long, cylindrical, c. 1 mm wide at top; lobes 3–4 × c. 1.25 mm, narrowly oblong, obtuse.
    Style
    Style pubescent.
    Placenta
    Placenta small with 3–4 pendulous ovules.
    Fruits
    Fruit black when dry, globose, c. 5 mm in diameter, crowned by persistent corky calyx rim, lobes sometimes persistent.
    Seeds
    Seed 1 per fruit, brownish-black, 2.5–3 mm in diameter with irregular hilar cavity, surface irregularly reticulate to naked eye; endosperm tending to be ruminate towards the base.

    Distribution

    Native to:

    Malawi, Mozambique, Northern Provinces, Zambia, Zimbabwe

    Synonyms

    Other Data

    Coptosperma zygoon (Bridson) Degreef appears in other Kew resources:

    Bibliography

    First published in Syst. Geogr. Pl. 71: 381 (2001 publ. 2002)

    Accepted by

    • Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/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