1. Family: Cannabaceae Martinov
    1. Genus: Celtis L.
      1. Celtis zenkeri Engl.

        This species is accepted, and its native range is W. Tropical Africa to SW. Ethiopia and Angola.

    [FTEA]

    Ulmaceae, R. M. Polhill. Flora of Tropical East Africa. 1966

    Habit
    Much branched deciduous monoecious tree, up to 10–30 m. tall, buttressed at the base; bark smooth, grey.
    Twigs
    Twigs tawny pubescent to tomentose.
    Leaves
    Leaf-blades chartaceous, oblong-elliptic to ovate, 7.5–14 cm. long, 4–7.8 cm. wide, shortly acuminate, broadly cuneate to rounded at the base, unequal-sided, entire or more rarely toothed in the upper half, glabrous above when mature, usually hairy beneath at least on the veins, 3-nerved from the base, with the basal lateral nerves extending a little way into the upper half and the upper prominent lateral nerves 2–4 on each side of the midrib; petiole 5–8 mm. long.
    Stipules
    Stipules lanceolate, (5–)7–10 mm. long, pubescent, scarious.
    Inflorescences
    Cymes 1–2 cm. long in flower, up to 3 cm. in fruit, axillary or at the nodes below; lower ones with many clustered male flowers, often with 1–2 female or hermaphrodite flowers at the top; upper ones with several longer pedicelled hermaphroditeflowers.
    Calyx
    Sepals 4–6, 1.5–2.5 mm. long, pubescent.
    Pistil
    Ovary densely tawny pubescent; styles 1–2-branched, 2.5–4 mm. long.
    Fruits
    Fruits on 3–5 mm. long pedicels, subglobose or ovoid, 7–8 mm. long, 6–6.5 mm. across, red, pubescent or subglabrous.
    Habitat
    Lowland rain-forest; 250–1200 m.
    Distribution
    T2 T3 T6 U2 U4 Sudan and Congo Republics, also Angola to West Africa
    [FWTA]

    Ulmaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:2. 1958

    Habit
    A forest tree, to 90 ft. high, rarely more
    Bark
    Rough bark
    Buttresses
    Long buttresses
    Slash
    Slash with alternating layers of cream and brown.

    Images

    Distribution

    Native to:

    Angola, Benin, Burundi, Cameroon, Central African Repu, Congo, Ethiopia, Guinea, Ivory Coast, Liberia, Nigeria, Sierra Leone, Sudan, Tanzania, Togo, Uganda, Zaïre

    Celtis zenkeri Engl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 1, 2003 Etuge, M. [214], Cameroon K000197965
    Styles, B.T. [138], Uganda 25694.007
    Zenker [9], Cameroon K000442481 Unknown type material
    Stuhlmann [8703], Tanzania K000442483 isosyntype
    Bequaert [3301], Zaire K000243033 Unknown type material
    Soyaux, H. [202], Congo, DRC K000442482 Unknown type material
    Welw. [6285], Angola K000243041 isotype

    First published in Notizbl. Königl. Bot. Gart. Berlin 3: 22 (1902)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Jongkind, C. (2014). Fauna & Flora of Liberia, flowering plant species list www.liberianfaunaflora.org.
    • Kalema, J. & Beentje, H. (2012). Conservation checklist of the trees of Uganda: 1-235. Kew Publishing, Royal Botanic Gardens, Kew.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Hedberg, I. & Edwards, S. (eds.) (1989 publ. 1990). Flora of Ethiopia and Eritrea 3: 1-659. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Polhill, R.M. (1966). Flora of Tropical East Africa, Ulmaceae: 1-14.

    Literature

    Flora of West Tropical Africa
    • Hauman in Fl. Congo Belge 1: 45.
    • Aubrév. Fl. For. C. Iv. 1: 27, t. 1, 5
    • —F.T.A. 6, 2: 6
    Kew Backbone Distributions
    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Jongkind, C. (2014). Fauna & Flora of Liberia, flowering plant species list www.liberianfaunaflora.org.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
    Flora of Tropical East Africa
    • Polhill in Kew Bulletin 19: 141 (1964).
    • Keay in Flora of West Tropical Africa, ed. 2, 1: 592 (1958).
    • F. W. Andr., The Flowering Plants of the Anglo-Egyptian Sudan 2: 251 (1952).
    • W.J. Eggeling, Indigenous Trees of the Uganda Protectorate, ed. 2: 435, fig. 91a (1952).
    • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 625 (1949).
    • Hauman in Flore du Congo Belge et du Ruanda-Urundi, 1: 45 (1948).
    • Robyns, Flore des Spermatophytes du Parc National Albert 1: 44 (1948).
    • Rendle in Flora of Tropical Africa 6(2): 6 (1916).
    • Engl. in A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3(1): 12 (1915).
    • Engl. in Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahelm 3: 22 (1900)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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