1. Family: Euphorbiaceae Juss.
    1. Neoboutonia Müll.Arg.

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

    [FZ]

    Euphorbiaceae, A. Radcliffe-Smith. Flora Zambesiaca 9:4. 1996

    Habit
    Dioecious, or rarely monoecious, trees or shrubs with a stellate and sometimes also simple indumentum.
    Leaves
    Leaves alternate, long-petiolate, stipulate, simple, large, more or less entire, minutely gland-dotted, palminerved.
    Inflorescences
    Inflorescences paniculate, terminal; male inflorescences larger and more branched than the female.
    Flowers
    Male flowers: calyx closed in bud, later splitting into 2–3 valvate lobes; petals absent; disk glands extrastaminal, minute; stamens 15–40, filaments free, short, anthers basifixed, introrse, longitudinally dehiscent; pistillode absent. Female flowers: calyx 5–6-lobed, the lobes imbricate; petals absent; disk annular; ovary usually 3-locular, with 1 ovule per locule; styles usually 3, connate at the base, deeply bipartite, rigid, recurved-patent.
    Fruits
    Fruit usually 3-lobed, septicidally dehiscent into 3 bivalved cocci; endocarp woody.
    Seeds
    Seeds ovoid or ellipsoid, carunculate; testa crustaceous; albumen fleshy; cotyledons broad, flat.
    [FTEA]

    Euphorbiaceae, A. R.-Smith. Flora of Tropical East Africa. 1987

    Habit
    Dioecious or rarely monoecious trees or shrubs with a stellate indumentum, sometimes with an admixture of simple hairs
    Leaves
    Leaves alternate, long-petiolate, stipulate, simple, large, entire or subentire, minutely gland-dotted, palminerved
    Inflorescences
    Inflorescences paniculate, terminal, often with the lowest racemose branches arising from the axils of the uppermost leaves, the ♂ inflorescences larger and more copious than ♀; flowers subsessile or shortly pedicellate
    Flowers
    Male flowers: calyx globose in bud, later valvately 2–3-partite; petals 0; disc-glands 8–10, extrastaminal, minute; stamens 15–30(–40), filaments free, short, anthers oblong, basifixed, introrse, longitudinally dehiscent, connective tipped with 1–3 deciduous glands; pistillode 0 Female flowers: calyx 5(–6)-lobed, the lobes imbricate; petals 0; disc annular; ovary 3-locular, with 1 ovule per locule; styles connate at the base, rigid, bipartite, patent-recurved
    Male
    Male flowers: calyx globose in bud, later valvately 2–3-partite; petals 0; disc-glands 8–10, extrastaminal, minute; stamens 15–30(–40), filaments free, short, anthers oblong, basifixed, introrse, longitudinally dehiscent, connective tipped with 1–3 deciduous glands; pistillode 0
    Female
    Female flowers: calyx 5(–6)-lobed, the lobes imbricate; petals 0; disc annular; ovary 3-locular, with 1 ovule per locule; styles connate at the base, rigid, bipartite, patent-recurved
    Fruits
    Fruits 3-lobed, dehiscing septicidally into 3 bivalved cocci, leaving a persistent columella; endocarp woody
    Seeds
    Seeds ovoid or ellipsoid, carunculate; testa crustaceous; albumen fleshy; cotyledons broad, flat.

    Images

    Distribution

    Native to:

    Angola, Burundi, Cameroon, Central African Repu, Congo, Equatorial Guinea, Gabon, Guinea, Gulf of Guinea Is., Ivory Coast, Kenya, Liberia, Malawi, Mozambique, Nigeria, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Neoboutonia Müll.Arg. appears in other Kew resources:

    First published in J. Bot. 2: 336 (1864)

    Accepted by

    • Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa
    • Pax & K. Hoffm. in Engl. Pflanzenr. Euph. 7: 71—75 (1914).
    • —F.T.A. 6, 1: 918
    Flora Zambesiaca
    • in De Candolle, Prodr. 15, 2: 892 (1866).
    • in J. Bot. 1: 336 (1864)
    Flora of Tropical East Africa
    • Pax in E.P. IV. 147(7): 71 (1914)
    • Prain in F.T.A. 6(1): 918 (1912)
    • G.P. 3(1): 317 (1880)
    • in DC., Prodr. 15(2): 892 (1866)
    • in J.B. 1: 336 (1864)

    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 2018. 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 2018. 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