1. Family: Burseraceae Kunth
    1. Boswellia Roxb. ex Colebr.

      1. This genus is accepted, and its native range is Tropical Africa, Madagascar, Arabian Peninsula, India.

    [FTEA]

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

    Habit
    Unarmed large bushes or small to medium-sized trees; outer bark often peeling in papery flakes, under-bark greenish with a watery aromatic exudate hardening to a resin; wood soft, often with a milky latex
    Leaves
    Leaves usually clustered at the ends of branches, usually imparipinnate but 1-foliolate or hetero–3-foliolate in 2 Socotran species; stipules sometimes present, caducous; leaflets often subalternate, variously crenate or serrate, or entire
    Inflorescences
    Inflorescence a panicle or raceme
    Flowers
    Flowers bisexual or (in B. madagascariensis) dioecious
    Calyx
    Calyx 5-lobed, persistent
    Corolla
    Petals 5, free
    Stamens
    Stamens inserted outside a conspicuous annular disc, 10 in 2 whorls of 5, the outer usually having broader filaments than the inner
    Pistil
    Ovary (2–)3(–4–5)-locular or, in B. frereana Birdwood from N. Somalia, (5–)6(–8)-locular; style simple; stigma capitate
    Fruits
    Fruit an obovoid pseudocapsule with (2–)3(–4–5) angles, the outer walls breaking away to disclose a (2–)3(–4–5)-winged axis with a 1-seeded nutlet in each compartment between the wings; nutlets at first surrounded by a fragile outer layer which may form a temporary wing
    Seeds
    Cotyledons 3- or 5-lobed or 3-lobed with both lateral lobes bifid
    Figures
    Fig. 3/1,2, p. 10.

    Images

    Distribution

    Native to:

    Benin, Burkina, Cameroon, Central African Repu, Chad, Eritrea, Ethiopia, Ghana, India, Ivory Coast, Kenya, Niger, Nigeria, Oman, Senegal, Socotra, Somalia, Sudan, Tanzania, Uganda, West Himalaya, Yemen

    Boswellia Roxb. ex Colebr. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 19, 1978 unknown [710], Socotra K000199635 Unknown type material
    Smith, A.R. [598], Yemen 61725.000

    First published in Asiat. Res. 9: 379 (1807)

    Accepted by

    • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.

    Literature

    Flora of West Tropical Africa
    • Engl. in E. & P. Pflanzenfam. 19A: 419 (1931).
    • —F.T.A. 1: 323
    Flora of Tropical East Africa
    • Thulin & Warfa in KB. 42: 487 (1987)
    • in Asiat. Res. 9: 379 (1807)

    Sources

    Art and Illustrations in Digifolia
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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.
    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