1. Family: Rutaceae Juss.
    1. Genus: Zanthoxylum L.
      1. Zanthoxylum gilletii (De Wild.) P.G.Waterman

        This species is accepted, and its native range is Tropical Africa.

    [FTEA]

    Rutaceae, J.O. Kokwaro (University of Nairobi). Flora of Tropical East Africa. 1982

    Habit
    Deciduous tree 10–35 m. high; trunk usually straight and without branches for several m., 30–90 cm. in diameter at the base, armed with conical woody prickle-bearing straight protuberances 1–3 cm. long; bark grey and smooth; branches glabrous, armed with conical reddish straight or slightly recurved prickles 2–8 mm. long.
    Leaves
    Leaves in terminal clusters, closely alternate, 25–120(–150) cm. long; rhachis terete at the base, flattened above, sometimes with straight sharp prickles 2–7 mm. long, glabrous; petiolules 5–10 mm. long; leaflets 13–27, alternate or subopposite, elliptic-oblong to elliptic, (8–)14–30 cm. long, 3.5–10 cm. broad, attenuate or abruptly acuminate to the obtuse apex, asymmetrical and cuneate or rounded at the base (sometimes very asymmetrical), entire or slightly crenulate, coriaceous, glabrous, gland-dots numerous but small and almost inconspicuous; midrib sometimes with sparse prickles, prominent beneath; lateral nerves 8–14 pairs.
    Inflorescences
    Inflorescence of terminal and axillary pyramidal panicles, 20–34 cm. long, sometimes aculeate at the base; flowers clustered, sessile or very shortly pedicellate.
    Calyx
    Sepals 5, united halfway, ovate to subcircular, 0.5–0.8 mm. long.
    Corolla
    Petals pandurate to obovate, 1–2.5 mm. long, 1–1.5 mm. broad, white, turning brown.
    Male
    Male flowers:stamens 5, all varying in length; filaments 1.5–2.8 mm. long; disk dome-shaped and lobed; vestigial ovary obsoletely lobed.
    Flowers
    Female flowers:staminodes 5, reduced to aborted anthers; gynophore 0.2–0.3 mm. long; ovary ovoid, 1–1.4 mm. long, foveolate. Male flowers:stamens 5, all varying in length; filaments 1.5–2.8 mm. long; disk dome-shaped and lobed; vestigial ovary obsoletely lobed.
    Female
    Female flowers:staminodes 5, reduced to aborted anthers; gynophore 0.2–0.3 mm. long; ovary ovoid, 1–1.4 mm. long, foveolate.
    Fruits
    Fruit reddish, subglobose, 3.5–6 mm. in diameter, glandular-foveolate, sessile or with a short stipe and a persistent calyx.
    Seeds
    Seed 2.5–3.5 mm. in diameter, with black shiny testa.
    Habitat
    Rain-forest; 900–2400 m.
    Distribution
    W. Africa K4 K5 K6 T3 T7 U1 U2 U3 U4
    [FWTA]

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

    Habit
    A forest tree (Fagara macrophylla), similar to the last.
    [FWTA]

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

    Habit
    An evergreen forest tree 30–40 ft. high, rarely up to 120 ft. high
    Prickles
    Bole and larger branches covered with large woody-based prickles
    Leaves
    Leaves very large, clustered at the ends of the branches.
    [FZ]

    Rutaceae, F. A. Mendoça. Flora Zambesiaca 2:1. 1963

    Habit
    Tree 10–30 m. tall; trunk usually with aculeate bosses; branches glabrous, aculeate; aculei 2–5 mm. long, conical, reddish.
    Leaves
    Leaves 20–60 cm. long; petiole 3–15 cm. long, broadly channelled or flat above at the base; rhachis 2–4 mm. in diam., terete; leaflets coriaceous, with petiolules 2–7 mm. long, alternate or subopposite; lamina (5·5) 8–17 × 3·5–5·5 cm., broadly elliptic to elliptic, gland-dots almost inconspicuous, attenuate or abruptly acuminate and obtuse at the apex, margin entire or slightly crenulate, very asymmetric at the base; lateral nerves 8–14 pairs.
    Flowers
    Flowers not seen from our area.
    Infructescences
    Infructescence of rather stout terminal and sometimes also axillary panicles, up to 20 × 14 cm.
    Fruits
    Fruit 3·5 mm. in diam., sessile or subsessile or shortly stipitate, subglobose, glandular-foveolate, with a very small 5-lobed persistent calyx.
    Seeds
    Seed 2 mm. in diam., globose, black, shiny.

    Images

    Distribution

    Native to:

    Angola, Benin, Cabinda, Cameroon, Central African Repu, Congo, Ethiopia, Gabon, Ghana, Guinea, Gulf of Guinea Is., Ivory Coast, Kenya, Liberia, Nigeria, Rwanda, Sierra Leone, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Zanthoxylum gilletii (De Wild.) P.G.Waterman appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 1, 2003 Cable, S. [3742], Cameroon K000198306
    Jan 1, 1992 Cheek, M. [3557], Cameroon K000540114
    Jan 1, 1992 Watts, J. [199], Cameroon K000540121
    Bridson, D. [364], Rwanda 41763.000
    Bridson, D. [364 A], Rwanda 43814.000
    Mann [1114], Príncipe K000199421
    Mann [1114], Príncipe K000199422
    Mann [1114], Príncipe K000199423
    Mann [1114], Príncipe K000199424
    Timberlake, J. [s.n.], Mozambique K000614473
    Milne-Redhead, E. [4586], Zambia Fagara inaequalis 15439.000
    Kennedy, J.D. [2297], Nigeria Zanthoxylum tessmannii K000199434 Unknown type material
    Kennedy, J.D. [2297], Nigeria Zanthoxylum tessmannii K000199436 Unknown type material
    Kennedy, J.D. [2297] Zanthoxylum tessmannii K000199435
    Troupin, G. [2472], Congo, DRC Fagara macrophylla 8919.000

    First published in Taxon 23: 363 (1975)

    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.
    • Kalema, J. & Beentje, H. (2012). Conservation checklist of the trees of Uganda: 1-235. Kew Publishing, Royal Botanic Gardens, Kew.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
    • Hedberg, I., Friis, I. & Persson, E. (2009). Flora of Ethiopia and Eritrea 1: 1-305. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • 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.
    • Kokwaro, J.O. (1982). Flora of Tropical East Africa, Rutaceae: 1-52.

    Literature

    Kew Backbone Distributions
    • Meyer, F.K. (2011). Beiträge zur Flora von Albanien Haussknechtia, Beih. 15: 1-220.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • 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.
    • 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
    • Waterm. in Taxon 24: 363 (1975).

    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

    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 2020. 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 2020. 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