1. Family: Burseraceae Kunth
    1. Genus: Boswellia Roxb. ex Colebr.
      1. Boswellia papyrifera (Caill. ex Delile) Hochst.

        This species is accepted, and its native range is Benin to Eritrea and NE. Uganda.

    [FTEA]

    Burseraceae, J.B. Gillett. Flora of Tropical East Africa. 1991

    Habit
    Trees up to 10 m. tall with a 2–3 m. clear bole, diameter at breast height up to 50 cm.; bark smooth, pale, peeling in wide strips; slash reddish or streaky brown and white, exuding a fragrant resin; young branches pubescent.
    Leaves
    Leaves 20–40 cm. long, grey pubescent-tomentose; petiole 3–30 mm. long; leaflets 13–25, oblong-lanceolate, subfalcate, sessile; rounded, truncate or subcordate at the base, crenate or bicrenate at the margin, attenuate apically, with ± 11 pairs of principal lateral veins, up to 8 cm. long near the middle of the leaf, shorter above and below; a tiny caducous basal pair usually present just above the base.
    Flowers
    Flowers white or pinkish in pubescent semi-precocious compound racemes up to 30 cm. long; pedicels 3–6 mm. long in flower, up to 12 mm. in fruit.
    Calyx
    Calyx ± 2 mm. long.
    Corolla
    Petals elliptic, ± 5 mm. long, 2.5 mm. wide.
    Filaments
    Filaments glabrous, ± 3 mm. long, narrowing gradually from the base; anthers ± 2 mm. long.
    Disc
    Disc minutely pubescent.
    Pistil
    Ovary glabrous, sessile, ovoid, ± 1.5 mm. long; style ± 1.5 mm. long and 0.7 mm. in diameter; stigma globose, ± 1 mm. in diameter.
    Fruits
    Fruit glabrous, ± 22 mm. long, 7–8 mm. wide, widest ± 9 mm. below the apex; nutlets shield-shaped ± 5 mm. wide and 6 mm. vertically including a 1 mm. apical spine, the other 3 angles blunt.
    Figures
    Fig. 2/1, p.6.
    Habitat
    Stony hillsides in dry wooded grassland; 1200–1500 m.; rainfall 500–800 mm.
    Distribution
    U1 NE. Nigeria to N. Ethiopia
    [FWTA]

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

    Habit
    A savannah tree (Boswellia dalzielii), similar to the last.

    Images

    Distribution

    Native to:

    Benin, Cameroon, Central African Repu, Chad, Eritrea, Ethiopia, Nigeria, Sudan, Uganda

    Boswellia papyrifera (Caill. ex Delile) Hochst. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Kotschy [455], Ethiopia K000199589
    Kotschy [455] K000199590 Unknown type material

    First published in Flora 26: 81 (1843)

    Accepted by

    • Onana, J.M. (2017). Flore du Cameroun 43: 1-94. Ministère de l'enseignement supérieur et de la recherche scientifique (Mesres), Yaoundé.
    • 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.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.
    • Gillett, J.B. (1991). Flora of Tropical East Africa, Burseraceae: 1-94.
    • 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.

    Literature

    Kew Backbone Distributions
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Lebrun, J.-P., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    Flora of Tropical East Africa
    • Vollesen in Fl. Eth. 3: 443, fig. 123. 1A–D (1990).
    • Geerling, Guide de terrain des ligneux Sahéliens et Soudano-Guineens: 87 (1982).
    • F. W. Andr., The Flowering Plants of the Anglo-Egyptian Sudan 2: 321, fig. 116 (1952).
    • W.J. Eggeling, Indigenous Trees of the Uganda Protectorate, ed. 2: 51 (1952).
    • Engl. in A. Engler & K. Prantl, Die Natürlichen Pflanzenfamilien, ed. 2,19A: 423, fig. 198 (1931).
    • Engl. in A. & C. DC., Monogr. Phan. 4: 34, t. 1/23–32 (1883).
    • Oliv. in Flora of Tropical Africa 1: 323 (1868).
    • A. Rich., Tent. Fl. Abyss. 1: 148 (1847).
    • Hochst. in Flora 26: 81 (1843).

    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 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