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

    Extinct in:

    Sri Lanka

    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

    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