Commiphora zanzibarica (Baill.) Engl.
  • Monogr. Phan.


Cite taxon page as 'WFO (2020): Commiphora zanzibarica (Baill.) Engl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000617528. Accessed on: 28 Mar 2020'

Morphology

Tree up to 12 m. tall; bark smooth, grey, peeling with straw-coloured strips; young branches glabrous.

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    Stamen-filaments somewhat broadened towards the base, disk-lobes not developed.

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    Fruit c. 1·6 × 0·9 cm., ellipsoid, apiculate, glabrous; pseudaril cupular, very fleshy, clasping the lowest third of the endocarp, margin undulate; endocarp c. 1 × 0·8 cm., ellipsoid, smooth, both faces moderately convex.

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    Leaves pinnate; petiole up to 13 cm. long, glabrous; leaflets 3–4-jugate, up to 9·5 × 3 cm., oblong-lanceolate, apex acute or acuminate, margin entire or undulate or very sparsely denticulate, base rounded or broadly cuneate, glabrous; petiolules up to 8 mm. long, but usually less, often with a few hairs near the point of attachment to the rhachis.

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    Flowers appearing with the leaves, in axillary paniculate cymes up to 25 cm. long; branches of inflorescence glabrous; bracteoles up to 1 mm. long, ovate; pedicels 1–3 mm. long, slender, glabrous.

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    Calyx c. 2·5 mm. long, campanulate, tapering to the pedicel, lobed to half-way, glabrous.

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    Petals c. 4 mm. long.

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    Tree, often many-stemmed, up to 12 m. tall; bark smooth, grey, outer layer peeling in large straw-coloured pieces; slash green to cream; exudate scanty, milky, hardly scented; young shoots glabrous or minutely puberulous, fluted, 3–4 mm. in diameter.

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    Leaves up to 33 cm. long including a petiole up to 11 cm. and a terminal leaflet up to 10 cm. on a petiolule up to 1 cm. long, 7–9(–11)-foliolate; leaflets glabrous, oblong-elliptic, acuminate, rounded or broadly pointed at the base on petiolules 2–4 mm. long, up to 12 cm. long and 5 cm. wide.

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    Fruiting pedicels much thickened, up to 1 cm. long; fruit ellipsoid-obovoid, shortly beaked, probably 18 × 14 × (5+6) mm. when fresh, wrinkled and 16 × 10 × (3+4) mm. when dry; pericarp 2-valved, very fleshy, ± 3 mm. thick; pseudaril a very shallowly lobed fleshy cup ± 8 mm. deep and wide; stone smoothly convex, flattened-ellipsoid, ± 11 × 8.5 × (2.5+4.5) mm., often persistent after the 2 valves of the pericarp have fallen (perhaps because Hornbills maybe absent?).

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    Fig. 11/8–10, p. 68.

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    Petals 4–5 mm.

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    Filaments 4 and 3 mm., anthers ± 0.8 mm. long.

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    Receptacle obconical, ± 1.3 mm. deep and wide.

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    Calyx ± 3 mm., the ovate-oblong lobes ± twice as long as the tube.

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    Flowers glabrous, yellowish green or pinkish, appearing with the young leaves in narrow glabrous or subglabrous panicles which maybe up to 48 cm. long, the ♀ almost as long as the ♂, often hanging down when in fruit; bracts narrow, 1–2 mm. long or the lower ones up to 5 mm.; lateral branches up to 15 mm., pedicels up to 7 mm. long.

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    Tree, up to 7 m high. Bark grey, not peeling. Leaves pinnate, 3-5-jugate, glabrous, green; leaflets oblanceolate to narrowly elliptic, margin entire, terminal leaflet up to 70 x 35 mm. Flowers yellowish green.

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    Dioecious tree, often many-stemmed and up to 7 m tall; bark grey, not peeling; young branchlets shallowly fluted, glabrous. Leaves pinnate, 3-5-jugate, glabrous, green; petiole 15-60 mm long; leaflets oblanceolate to narrowly elliptic; petiolules 2-5 mm long; margins entire to finely serrate, apex obtuse to acute, base cuneate to rounded, terminal leaflet up to 70 x 35 mm, lateral leaflets up to 70 x 25 mm. Inflorescence: axillary, paniculate, simple or compound dichasial cymes. Flowers unisexual, perigynous. Pedicel 40-60 mm long, pedicel and calyx glabrous. Disc 4-lobed, adnate to hypanthium. Stamens 8. Fruit subglobose, ±18 x 15 x 15 mm, glabrous; putamen smooth; pseudo-aril red, cupular, covering lower third to half of putamen.

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    Habitat

    Arid lowveld.

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    It grows in deep sandy soil in savanna-woodland.

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    Distribution

    So far this species has only been collected in Transvaal, near the Kumane Dam in the Kruger National Park and in Natal on the Makatini Flats in northern Zululand. Also recorded from Mozambique, Zimbabwe, Zanzibar, Tazania and Kenya.

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     Information From

    Burseraceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • B All Rights Reserved
    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • C
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • D
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).
    Global Tree Assessment
    http://www.bgci.org/
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • F Botanic Gardens Conservation International