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This species is accepted, and its native range is NE. Nigeria to Eritrea and NE. Uganda.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General 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.
Morphology 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.
Morphology Reproductive morphology 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.
Morphology Reproductive morphology Flowers Calyx
Calyx ± 2 mm. long.
Morphology Reproductive morphology Flowers Corolla
Petals elliptic, ± 5 mm. long, 2.5 mm. wide.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments glabrous, ± 3 mm. long, narrowing gradually from the base; anthers ± 2 mm. long.
Morphology Reproductive morphology Flowers Disc
Disc minutely pubescent.
Morphology Reproductive morphology Flowers Gynoecium 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.
Morphology Reproductive morphology 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

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

Native to:

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

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • 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.
  • Gillett, J.B. (1991). Flora of Tropical East Africa, Burseraceae: 1-94.
  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.
  • 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.
  • Kalema, J. & Beentje, H. (2012). Conservation checklist of the trees of Uganda: 1-235. Kew Publishing, Royal Botanic Gardens, Kew.
  • Onana, J.M. (2017). Flore du Cameroun 43: 1-94. Ministère de l'enseignement supérieur et de la recherche scientifique (Mesres), Yaoundé.
  • Thulin, M. (2020). The genus Boswellia (Burseraceae). The Frankincense trees Symbolae Botanicae Upsalienses; Arbeten Fran Botaniska Institutionen i Uppsala 39: 1-149.

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.
  • Thulin, M. (2020). The genus Boswellia (Burseraceae). The Frankincense trees Symbolae Botanicae Upsalienses; Arbeten Fran Botaniska Institutionen i Uppsala 39: 1-149.

Flora of Tropical East Africa

  • A. Rich., Tent. Fl. Abyss. 1: 148 (1847).
  • Engl. in A. & C. DC., Monogr. Phan. 4: 34, t. 1/23–32 (1883).
  • Engl. in A. Engler & K. Prantl, Die Natürlichen Pflanzenfamilien, ed. 2,19A: 423, fig. 198 (1931).
  • F. W. Andr., The Flowering Plants of the Anglo-Egyptian Sudan 2: 321, fig. 116 (1952).
  • Geerling, Guide de terrain des ligneux Sahéliens et Soudano-Guineens: 87 (1982).
  • Hochst. in Flora 26: 81 (1843).
  • Oliv. in Flora of Tropical Africa 1: 323 (1868).
  • Vollesen in Fl. Eth. 3: 443, fig. 123. 1A–D (1990).
  • W.J. Eggeling, Indigenous Trees of the Uganda Protectorate, ed. 2: 51 (1952).

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
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 2021. 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 2021. 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