Commiphora tenuipetiolata Engl.
  • Bot. Jahrb. Syst.


Cite taxon page as 'WFO (2020): Commiphora tenuipetiolata Engl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000617502. Accessed on: 05 Apr 2020'

Morphology

Stamen-filaments flattened and broadened towards the base.

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    Petals 2–3 mm. long.

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    Calyx c. 3–5 mm., long, infundibuliform, lobed to about 1/3-way.

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    Flowers appearing with the very young leaves, in axillary paniculate cymes up to 4 cm. long or the female inflorescences reduced to 1–2-flowered abbreviated cymes; branches of inflorescence very slender; bracteoles c. 3 mm. long, filamentous, pubescent; pedicels up to 3 mm. long, slender.

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    Disk-lobes not developed.

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    Fruit c. 1·2 cm. in diam., globose, somewhat flattened; pseudaril covering about 2/3 of the endocarp and becoming thin above; endocarp c. 1 × 0·75 cm., subcordiform, smooth, both faces moderately convex.

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    Leaves 3-foliolate or pinnate with the leaflets 2-jugate (rarely 3-jugate); petiole up to 4·5 cm. long, sometimes sparsely pilose, slender and often twisted; terminal leaflet up to 5·8 × 3 cm., obovate to broadly obovate, apex rounded, base gradually cuneate, lateral leaflets up to 4 × 2·5 cm., elliptic, broadly elliptic or obovate, apex obtuse, base cuneate; all leaflets with margins entire or with a few crenations near the apex, glabrous, glaucous; petiolules up to 1 mm. long.

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    Bush or small tree up to 5 m. tall, usually glabrous except for the bracteoles; bark smooth, peeling in whitish strips, under layer dark green.

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    Tree, up to 12 m high. Bark usually peeling in large white papery pieces to expose glaucous underlayer. Leaves 3-foliolate or imparipinnate, glaucous, yellowish green or green; terminal leaflets elliptic, broadly elliptic or obovate, 12-65 x 7-30 mm. Fruit subglobose and not beaked. Pseudo-aril with 4 arms. Flowers yellowish green.

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    Dioecious tree with a single trunk 2-12 m tall, occasionally shrub-like tree with a short trunk; bark peeling in yellowish white papery pieces to expose a blue-green underlayer or peeling in thick brownish discs; young branchlets glabrous, sparsely pilose but rarely pubescent, not spine-tipped. Leaves trifoliolate (then mostly glabrous) or pinnate, 2-4-jugate (then usually sparsely pilose to pubescent, occasionally also with glandular hairs), glaucous, yellowish green or green; petiole 7-50 mm long, usually relatively thin and slender especially in trifoliolate leaves; upper three-quarters of leaflet margin crenate-serrate, lower quarter subentire or entire, occasionally exclusively entire, terminal leaflet elliptic, broadly elliptic or obovate, 12-65 x 7-30 mm; petiolule 1-4(-12) mm long; apex acute or obtuse, base cuneate rarely obtuse, lateral leaflets elliptic to broadly elliptic rarely suborbicular, 6-45 x 4-25 mm, subsessile or sessile, apex acute rarely obtuse, base cuneate or obtuse. Inflorescence: simple or compound dichasial cymes up to 55 mm long, glabrous, sparsely pilose or pubescent. Flowers unisexual, perigynous. Pedicel 4-10 mm long, pedicel, hypanthium and calyx usually glabrous, seldom pilose, occasionally also with glandular hairs. Disc reduced, without distinct lobes, adnate to hypanthium. Stamens 8. Fruit subglobose, ±15 x 13 x 10 mm, glabrous; pseudo-aril cupular with 2 facial lobes of variable length and form covering lower third to three-quarters of putamen; lobe on less convex face of putamen usually longer and larger than other lobe.

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    Habitat

    Mopani veld, well-drained, sandy soil.

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    Grows in sandy, well-drained soil.

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    Distribution

    Occurs in the northern part of S.W.A./Namibia, Botswana and northern Tvl. where it is particularly common north of the Soutpansberg. Also recorded from Zimbabwe.

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      Bibliography

    • 1 Burseraceae, H. Wild. Flora Zambesiaca 2:1. 1963
    • 2 Bot. Jahrb. Syst.
    • 3 Herman, PPJ; Retief, E. 1997. Plants of thenorthern provinces of South Africa: keys and diagnostic characters. Strelitzia 6: 1 - 681. National Botanical Institute, Pretoria.
    • 4 Van der Walt, JJA. 1986. Simaroubaceae-Malpighiaceae: Burseraceae. In: O.A. Leistner (ed.). Fl. S. Africa 18(3): 5 - 34. BRI, Pretoria.

     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
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D 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.
    • E Botanic Gardens Conservation International