1. Family: Rutaceae Juss.
    1. Ptaeroxylon Eckl. & Zeyh.

      1. This genus is accepted, and is native to Africa..

    [FTEA]

    Ptaeroxylaceae, B. Verdcourt & F.G. Davies. Flora of Tropical East Africa. 1996

    Habit
    Dioecious tree with paripinnate leaves; leaflets opposite or rarely alternate
    Flowers
    Flowers in contracted thyrses
    Calyx
    Sepals 4, free almost to the base; aestivation open
    Corolla
    Petals 4, imbricate
    Stamens
    Stamens 4
    Pistil
    Ovary laterally compressed, 2-locular with 1 ovule in each locule; style slightly more than half as long as the ovary; stigmas 2, large, capitate, spreading
    Fruits
    Capsule splitting into 2 persistent bilobed valves; central column breaking into a number of fibrous strands
    Seeds
    Seed with long terminal wing.
    [FZ]

    Ptaeroxylaceae, F. White & B. T. Styles. Flora Zambesiaca 2:2. 1966

    Habit
    Leaves opposite, paripinnate.
    Flowers
    Flowers dioecious, in contracted thyrses.
    Calyx
    Sepals 4, free almost to the base, with open aestivation.
    Corolla
    Petals 4, imbricate.
    Stamens
    Stamens 4.
    Pistil
    Ovary laterally compressed, 2-locular; loculi 1-ovulate; style slightly more than half as long as the ovary; stigmas 2, large, capitate, spreading.
    Fruits
    Capsule splitting into 2 persistent bilobed valves; central column breaking up into a number of fibrous strands.

    Images

    Distribution

    Native to:

    Angola, Botswana, Cape Provinces, KwaZulu-Natal, Mozambique, Namibia, Northern Provinces, Swaziland, Tanzania, Zimbabwe

    Ptaeroxylon Eckl. & Zeyh. appears in other Kew resources:

    First published in Enum. Pl. Afric. Austral.: 54 (1835)

    Literature

    Flora Zambesiaca
    • Enum. Pl. Afr. Austr. Extratrop. 1: 54 (1834–35?).
    Flora of Tropical East Africa
    • J.-F. Leroy in Compt. Rend. Acad. Sci. 248: 1001 (1959)
    • Harms in E. & P. Pf., ed. 2, 19b1: 48 (1940)
    • Mauritzon in Bot. Notis. 1936: 198 (1936)
    • Radlk. in Sitz.-Ber. Bayer. Akad. 20: 160 (1890)
    • Hook.f. in G.P. 1: 411 (1862)
    • Sond in Fl. Cap. 1: 242 (1860)
    • Enum. Pl. Afr. Austr.: 54 (1834)

    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