e-Key <span id="jodit_selection_marker_1710493354211_4049799018122724" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Ki<span id="jodit_selection_marker_1710493354211_7301929087601153" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>gelia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Bignoniaceae - Kigelia DC.

Description:

  • Medium to large trees of varying habit, usually with a rounded crown; branches often stout, spreading
  • Leaves imparipinnate, opposite or ternate, petiolate; leaflets large, elliptic; foliar morphology very variable
  • Flowers large, pedicellate, in pendulous, long-peduncled, lax panicles; pollinated by bats
  • Calyx 2-5-lobed, leathery; tube campanulate to almost tubular, 5-ribbed; lobes sometimes apiculate
  • Corolla: tube slightly curved, cylindrical below, widely campanulate above, leathery, glabrous; limb bilabiate; upper lip short, erect; lower lip longer, deflexed; lobes 5, ± obovate; yellowish at first, then reddish to purplish
  • Stamens 4, didynamous, arising at top of the cylindrical part of corolla tube, subexserted; filaments thick, linear, leathery, pilose at base; anther thecae separating and sometimes with an apical, fleshy, bilobed appendage; staminode 1
  • Nectary annular, thick, 5-lobed, leathery, tomentose
  • Ovary terete, unilocular; placentas 2, parietal and much intruded; ovules many in many rows; style subterete, subexserted; stigma of two elliptic lobes
  • Fruit large, sausage-shaped, pendulous, hard-walled, indehiscent; pulp fibrous
  • Seeds many, thick, wingless, with coriaceous testa intruded between cotyledons
  • x = 10 (21) (aneuploids)

Nomenclature:

  • Kigelia DC.
    • Candolle: 135 (1838)
    • Sprague: 454 (1904)
    • Sprague: 533 (1906)
    • Phillips: t. 573 (1935) as K. pinnata
    • Merxmüller & Schreiber: 2 (1967)
    • Palgrave: 833 (1977)
    • Diniz: 83 (1988)

Distribution & Notes:

  • Global: Monotypic: Kigelia africana (Lam.) Benth., tropical and southern Africa
  • Southern Africa: Namibia, Botswana, South Africa, from ± Messina (Northern Province), through lowveld (Mpumalanga) to KwaZulu-Natal, possibly as far south as Durban; also in Swaziland

References:

  • CANDOLLE, A. P. DE. 1838. Revue sommaire de la famille des Bignoniacées. Bibliothèque universelle de Genève, Sér. 2, 17. Geneva
  • DINIZ, M.A. 1988. Bignoniaceae. Flora zambesiaca 8,3
  • MERXMÜLLER, H. & SCHREIBER, A. 1967. Bignoniaceae. Prodromus einer Flora von Südwestafrika 128
  • PALGRAVE, K.C. 1977. Trees of southern Africa. Struik, Cape Town
  • PHILLIPS, E.P. 1935. Kigelia pinnata. The Flowering Plants of South Africa 1
  • SPRAGUE, T.A. 1904. Bignoniaceae. Flora capensis 4, 2
  • SPRAGUE, T.A. 1906. Bignoniaceae. Flora of tropical Africa 4, 2