1. Family: Rutaceae Juss.
    1. Genus: Zanthoxylum L.
      1. Zanthoxylum deremense (Engl.) Kokwaro

        This species is accepted, and its native range is Tanzania to Malawi.

    [FTEA]

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

    Habit
    Shrub or small tree to 8 m. high, sometimes straggling; trunk with aculeate bosses, ± 25 cm. in diameter near the base; branches glabrous, with reddish brown conical prickles 2–4 mm. long.
    Leaves
    Leaves 15–56 cm. long; rhachis usually unarmed and rusty pubescent; leaflets 4–8 pairs, opposite to subopposite, subsessile except the terminal one with a petiolule 2–22 mm. long, elliptic or elliptic-oblong, (5–)7–17 cm. long, 2.5–6.5 cm. broad, acuminate or acute at the apex, cuneate and somewhat asymmetric at the base, crenulate-denticulate to broadly serrate, glandular pubescent or hispid; glandular dots numerous and conspicuously dark; lateral nerves 18–24 pairs.
    Inflorescences
    Inflorescence a terminal panicle 10–29 (–34) cm. long, pubescent; flowers clustered, on pedicels 1.5–3 mm. long.
    Calyx
    Sepals 4, free or slightly united, broadly ovate, 0.4–0.7 mm. long, pubescent below, ciliate.
    Corolla
    Petals 4, 1–2.5 mm. long, 0.8–1.4 mm. broad, white.
    Male
    Male flowers:stamens 4; filaments 2–3(–5) mm. long; anthers 0.6–1 mm. long; gynophore short; vestigial ovary ovoid.
    Flowers
    Female flowers with vestigial staminodes reduced to the aborted anthers; gynophore short; ovary of 1 carpel. Male flowers:stamens 4; filaments 2–3(–5) mm. long; anthers 0.6–1 mm. long; gynophore short; vestigial ovary ovoid.
    Female
    Female flowers with vestigial staminodes reduced to the aborted anthers; gynophore short; ovary of 1 carpel.
    Fruits
    Fruit obliquely subglobose, 8–10 mm. in diameter, mucronate, shortly stipitate, conspicuously glandular-bullate.
    Seeds
    Seed 5–7 mm. in diameter, shiny black.
    Habitat
    Evergreen forest; 800–1900 m.
    Distribution
    T3 T6 T7 T8

    Distribution

    Native to:

    Malawi, Tanzania

    Zanthoxylum deremense (Engl.) Kokwaro appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Luke, W.R.Q. [11386], Tanzania K000612919

    First published in Kew Bull. 32: 798 (1978)

    Accepted by

    • Kokwaro, J.O. (1982). Flora of Tropical East Africa, Rutaceae: 1-52.

    Literature

    Kew Backbone Distributions
    • Kokwaro, J.O. (1982). Flora of Tropical East Africa, Rutaceae: 1-52.
    Flora of Tropical East Africa
    • Kokwaro in Kew Bulletin 32: 798 (1978).

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East 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.

    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