1. Family: Rubiaceae Juss.
    1. Hedythyrsus Bremek.

      1. This genus is accepted, and its native range is Central & E. Tropical Africa.

    [FTEA]

    Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

    Flowers
    Flowers heterostylous, small, in many-flowered dense terminal corymbs or panicles
    Calyx
    Calyx-lobes 4, triangular or lanceolate, often with fimbriae between
    Corolla
    Corolla shortly subcylindrical, slightly widened above; lobes 4; throat glabrous or sparsely hairy inside
    Stamens
    Stamens well exserted in short-styled flowers
    Pistil
    Ovary 2-locular; ovules few on peltate placentas; style filiform; stigma-lobes subglobose
    Fruits
    Capsule depressed hemispherical, produced into a conical beak which splits loculicidally and septicidally into 4 diverging valves
    Seeds
    Seeds few, much compressed, elliptic or oblong, sometimes subangular and often slightly winged at both ends or all round, reticulate.
    Habit
    Small erect shrubs, invariably turning blackish on drying and with distinctly discolorous leaves
    Leaves
    Leaves very shortly petiolate, elliptic to lanceolate, rather thick, closely placed, the lateral nerves invisible or very obscure; stipule sheath usually hairy, divided into several subulate fimbriae
    [FZ]

    Rubiaceae, B. Verdcourt. Flora Zambesiaca 5:1. 1989

    Habit
    Small erect shrubs, invariably turning blackish on drying and with distinctly discolorous leaves.
    Leaves
    Leaves very shortly petiolate, elliptic to lanceolate, rather thick, closely placed, the lateral nerves invisible or very obscure; stipule sheath usually hairy, divided into several subulate fimbriae.
    Flowers
    Flowers heterostylous, small in many-flowered dense terminal corymbs or panicles.
    Calyx
    Calyx lobes 4, triangular or lanceolate, often with fimbriae between.
    Corolla
    Corolla shortly subcylindrical, slightly widened above; lobes 4; throat glabrous or sparsely hairy inside.
    Stamens
    Stamens well exserted in short-styled flowers.
    Pistil
    Ovary 2-locular; ovules few on peltate placentas; style filiform; stigma lobes subglobose.
    Fruits
    Capsule depressed hemispherical, produced into a conical beak which splits loculicidally and septicidally into 4 diverging valves.
    Seeds
    Seeds few, much compressed, elliptic or oblong, sometimes subangular and often slightly winged at both ends or all round, reticulate.

    Images

    Distribution

    Native to:

    Angola, Burundi, Malawi, Rwanda, Tanzania, Zambia, Zaïre

    Hedythyrsus Bremek. appears in other Kew resources:

    First published in Verh. Kon. Ned. Akad. Wetensch., Afd. Natuurk., Sect. 2, 48(2): 149 (1952)

    Accepted by

    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora Zambesiaca
    • in Verh. K. Nederl. Akad. Wet., Afd. Natuurk., ser. 2, 48(2): 149 (1952).
    Flora of Tropical East Africa
    • in Verh. K. Nederl. Akad. Wet., Afd. Natuurk., ser. 2, 48(2): 149 (1952)

    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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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