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

[FTEA]

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

Morphology General Habit
Shrub or small tree up to 8 m. tall branching near the base from a short bole; bark dark grey, hardly peeling; young branches very straight, set at nearly 90° to the parent stem, pubescent, with longitudinal ridges and fissures.
Morphology Leaves
Leaves sparsely tomentose, 2–11 cm. long; stipules sometimes present, small, narrowly triangular, caducous; petiole 2–16 mm. long; leaflets 11–47, often subalternate, elliptic-oblong, entire, truncate or rounded at the base, rounded or broadly acute apically up to 13 × 7 mm. near the middle of the leaf, usually smaller towards its tip, much smaller, sometimes only 1 mm. long, at the base.
Morphology Reproductive morphology Flowers
Flowers white or greenish white in short pedunculate pubescent, sometimes precocious, cymes 1–4 cm. long; pedicels up to 8 mm. long in fruit.
Morphology Reproductive morphology Flowers Calyx
Calyx pubescent, ± 1.5 mm. long, with triangular lobes.
Morphology Reproductive morphology Flowers Corolla
Petals ovate, ± 2 mm. long, pubescent near the centre.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments ± 0.3 mm. wide, the upper part filiform, ± 0.05 mm. wide; anthers 0.7 mm. long.
Morphology Reproductive morphology Flowers Disc
Disc concave.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary glabrous; style ± 0.6 mm. long.
Morphology Reproductive morphology Fruits
Fruit green, often tinged with crimson, 18–20(–25) mm. long, 9–11 (–14) mm. wide, widest ± 6 mm. below the tip; nutlets subcruciform, the apical spine longer and more slender than the other 3.
Figures
Fig. 2/14–19.
Habitat
Acacia, Commiphora bushland on basement complex or lava and red sandy soil; alt. 200–1350 m.; rainfall 250–600 mm.
Distribution
K1 K2 K3 K4 K7 T2 T3 U1

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Type
N2, S of “Meid”, Hildebrandt 1508 (K holo.)
Morphology General Habit
Shrub or tree, up to 8 m tall; bark smooth to rough, grey to purplish black, not peeling; branchlets ± at right angles to main branches, slender, pubescent
Morphology Leaves
Leaves narrowly oblanceolate to obovate or lanceolate in outline, often turning red when old, 2–11 cm long, including 2–16 mm long petiole, subglabrous or, more often, pubescent with ± appressed to spreading hairs up to 0.6 mm long; rhachis sometimes slightly winged; leaflets (3–)5–45(–51), entire, subsessile, ovate to oblong-elliptic or obovate, rounded to cuneate at the base, obtuse or broadly pointed at the apex, up to 13(–18) x 8(–10) mm
Morphology Reproductive morphology Inflorescences
Flowers in few-flowered pubescent racemes or panicles up to 6(–10) cm long; bracts oblong to triangular, up to 6 x 2.5 mm; pedicels 1–8 mm long
Morphology Reproductive morphology Flowers
Calyx c. 1.5 mm long, glabrous or pubescent; petals ovate, c. 2–3 mm long, glabrous or medially pubescent outside; filaments 0.8–1 mm long, ovate, abruptly narrowed near the middle into a filiform tip, papillose
Morphology Reproductive morphology Fruits
Fruit 3(–4)-celled, pear-shaped to subglobose, sometimes ± winged, glabrous, 8–22(–25) x 7–11(–14) mm; stones ± cross-like, with apical and basal horns as well as lateral horns, without or with a narrow ± caducous wing.
Distribution
N1–3; C1, 2; S1, 2
Ecology
Altitude range 130–990 m.
Vernacular
Bay-bay, muqlay, murchen (Somali).
Note
This species is taken here in a wider sense than in Fl. Eth. 3: 445 (1990) and Fl. Trop. E. Afr. (1991), where B. microphylla is recognized. In some areas it is possible to distinguish between forms with many leaflets nearest corresponding to B. hildebrandtii and B. multifoliolata and forms with few leaflets corresponding to B. microphylla, but the variation in large parts of Somalia is continuous. Also the type of B. neglecta , with about 17–21 leaflets, is intermediate.

[FSOM]
Use
The gum resin is used locally as incense, as well as for making containers water-proof. The bark is used for tanning.

Native to:

Ethiopia, Kenya, Somalia, Tanzania, Uganda

Boswellia neglecta S.Moore appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Hildebrandt, J.M. [1508], Somalia Boswellia hildebrandtii K000199591 Unknown type material

First published in J. Bot. 15: 67 (1877)

Accepted by

  • 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.
  • Thulin, M. (2020). The genus Boswellia (Burseraceae). The Frankincense trees Symbolae Botanicae Upsalienses; Arbeten Fran Botaniska Institutionen i Uppsala 39: 1-149.
  • Thulin, M. (ed.) in Thulin, M. (ed.) (1999). Flora of Somalia 2: 1-303. The Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Kalema, J. & Beentje, H. (2012). Conservation checklist of the trees of Uganda: 1-235. Kew Publishing, Royal Botanic Gardens, Kew.
  • Thulin, M. (ed.) in Thulin, M. (ed.) (1999). Flora of Somalia 2: 1-303. The Royal Botanic Gardens, Kew.

Flora of Somalia

  • Flora Somalia, Vol 2, (1999) Author: by M. Thulin [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Blundell, Wild Fl. E. Afr.: 134, t. 215 (1987).
  • Engl. in A. & C. DC., Monogr. Phan. 4: 35 (1883).
  • S. Moore in Journal of Botany 15: 67, t. 185 (1877).
  • Vollesen in Fl. Eth. 3: 445, fig. 123. 2A–D (1990).

Flora of Somalia
Flora of Somalia
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
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