1. Family: Rubiaceae Juss.
    1. Paraknoxia Bremek.

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

    [FZ]

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

    Habit
    Annual herbs.
    Leaves
    Leaves paired, shortly petiolate; stipules small, with several deltoid segments from a short base.
    Flowers
    Flowers small, hermaphrodite, dimorphic, some flowers with anthers included and style exserted and others completely vice versa, in small sessile terminal heads.
    Calyx
    Calyx tube short; lobes small, 3–4, sometimes 1 enlarged and rest minute, or all minute.
    Corolla
    Corolla tube narrowly funnel-shaped; lobes 3–4, oblong; throat hairy.
    Pistil
    Ovary 2-locular; ovules solitary in each locule, pendulous; style filiform; stigma bifid, the lobes filiform.
    Fruits
    Fruit ovoid, indehiscent, but longitudinally grooved and where the fruit breaks off a little cup is left being the persistent woody flanged pedicel; between this flange and the base of the fruit are masses of rhaphides.
    Seeds
    Seeds narrowly ellipsoid or ovate in outline, strongly compressed.
    [FTEA]

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

    Habit
    Annual herbs
    Leaves
    Leaves paired, shortly petiolate; stipules small, with several deltoid segments from a short base
    Flowers
    Flowers small, hermaphrodite, dimorphic, some flowers with anthers included and style exserted and others completely vice versa, in small sessile terminal heads
    Calyx
    Calyx-tube short; lobes small, 3–4, sometimes 1 enlarged and rest minute, or all minute
    Corolla
    Corolla-tube narrowly funnel-shaped; lobes 3–4, oblong; throat hairy
    Pistil
    Ovary 2-locular; ovules solitary in each locule, pendulous; style filiform; stigma bifid, the lobes filiform
    Fruits
    Fruit ovoid, indehiscent, but longitudinally grooved and where the fruit breaks off a little cup is left being the persistent woody flanged pedicel; between this flange and the base of the fruit are masses of rhaphides
    Seeds
    Seeds narrowly ellipsoid or ovate in outline, strongly compressed.

    Images

    Distribution

    Native to:

    Burundi, Central African Repu, Kenya, Malawi, Rwanda, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Paraknoxia Bremek. appears in other Kew resources:

    First published in Bull. Jard. Bot. État Bruxelles 22: 77 (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 Bull. Jard. Bot. Brux.22: 77 (1952).
    Flora of Tropical East Africa
    • in B.J.B.B. 22: 77 (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