1. Family: Canellaceae Mart.
    1. Genus: Warburgia Engl.
      1. Warburgia ugandensis Sprague

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

    [FTEA]

    Canellaceae, B. Verdcourt. Flora of Tropical East Africa. 1958

    Habit
    Tree up to 42 m. tall but often quite small (about 5 m.) in many Kenya localities, glabrous.
    Bark
    Bark and habit similar to that of W. stuhlmannii.
    Leaves
    Leaves oblong-lanceolate, elliptic or oblong-elliptic, often a little falcate with costa eccentric, very glossy and dark green above, paler beneath; venation sometimes a little more prominent beneath than in W. stuhlmannii, lamina acute at the apex, cuneate at the base and slightly involute, 3–15 cm. long and 1.4–5.0 cm. wide; petioles 3–5 mm. long.
    Flowers
    Flowers solitary or in small cymes of 3–4, axillary.
    Note
    Bracts and flowers very similar in shape to those of W. stuhlmannii.
    Bracts
    Bracts thick, 3 mm. long and 3–3.5 mm. wide, ciliate.
    Perianth
    Sepals 6–7 mm. long and 4–4.5 mm. wide; petals 5–7 mm. long and 2.5–3 mm. wide, obovate-spathulate, rarely with small lateral expansions at the middle.
    Stamens
    Staminal tube 4–5 mm. long and 2–3 mm. in diameter, thecae 1.5–2 mm. long.
    Ovary
    Ovary 2.6–4 mm. long; ovules 25–30.
    Style
    Style 0.5–1 mm. long.
    Fruits
    Fruit at first greenish and ellipsoidal, later subspherical turning purplish, up to 5 cm. in diameter.
    Seeds
    Seeds compressed, ± cordate, yellow-brown, 1–1.5 cm. long.
    [FZ]

    Canellaceae, B. Verdcourt. Flora Zambesiaca 7:4. 1990

    Habit
    Tree 5–42 m. tall with rough fissured dark brown or brownish grey bark dividing into rectangular plates; slash often dark red.
    Leaves
    Leaves 3–15 x 1.4–5 cm. oblong-lanceolate, elliptic or oblong-elliptic, often a little falcate, acute at the apex, cuneate at the base, very shiny and dark green above, paler beneath, densely pellucid-dotted; petiole 3–5 mm. long.
    Flowers
    Flowers solitary or in short 3–4-flowered cymes and sometimes with a single flower from the base of the cyme, the true peduncle then being obsolete; peduncle 3 mm. long; bracts ± square, 2 mm. long, very deciduous leaving conspicuous scars; pedicels 3–4 mm. long.
    Calyx
    Sepals thick, 3 x 3–3.5 mm., ciliate.
    Corolla
    Petals: outer 6–7 x 4–4.5 mm.; inner 5–7 x 2.5–3 mm., obovate-spathulate.
    Stamens
    Staminal tube 4–5 mm. long; anthers 1.5–2 mm. long.
    Ovary
    Ovary 2.6–4 mm. long; ovules 25–30.
    Fruits
    Fruit up to 5 cm. in diam., at first greenish and ellipsoidal, later subspherical, turning purplish or with blue-grey bloom when ripe; seeds 1–1.5 cm. long, yellow-brown, compressed, ± cordate.

    Distribution

    Native to:

    Ethiopia, Kenya, Malawi, Tanzania, Uganda, Zaïre

    Warburgia ugandensis Sprague appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Verdcourt, B. [1010A], Kenya 16579.000
    Verdcourt, B. [1010], Kenya 16580.000
    Verdcourt, B. [960], Kenya 9030.000
    Williams, G.R. [495], Kenya 16185.000
    Styles, B.T. [78], Uganda 25694.050

    First published in J. Linn. Soc., Bot. 37: 498 (1906)

    Accepted by

    • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.

    Literature

    Kew Backbone Distributions
    • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.
    Flora of Tropical East Africa
    • W.J. Eggeling, Indigenous Trees of the Uganda Protectorate, ed. 2, 71, col. pl. 5 (1952).
    • Sprague in Journal of the Linnean Society of London, Botany 37: 498 (1906).

    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

    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 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