e-Key <span id="jodit_selection_marker_1709018374448_3708739922811424" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Cus<span id="jodit_selection_marker_1709018374448_19610515363185232" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>sonia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Araliaceae - Cussonia Thunb.

Description:

  • Trees or shrubs
  • Leaves often crowded at ends of branches, palmatifid, or digitately divided, or twice digitately divided, petioled; leaflets entire to variously divided; stipules adnate to petiole
  • Flowers in dense spikes or racemes
  • Calyx 5-toothed or subentire; tube subcylindric to obsolete above ovary
  • Petals 5, often somewhat fleshy, valvate
  • Stamens 5; filaments often fleshy; anthers ovate, subequal to filaments
  • Disc flat, depressed or conical in middle
  • Ovary 2-locular; styles 2, short or elongated, often thick and stigmatose on inner face
  • Fruit fleshy, laterally compressed or subglobose
  • Seeds globose to oblong and planoconvex in cross-section

Nomenclature:

  • Cussonia Thunb.
    • Thunberg: 210 (1780)
    • Sonder: 568 (1862)
    • Strey: 191 (1973)
    • Strey: 515 (1975)
    • Cannon: 621 (1978)
    • Reyneke: 243 (1981)
    • Reyneke: 369 (1984)
    • Reyneke & Kok: 317 (1987)

Distribution & Notes:

  • Global: Species 25, tropical to southern Africa and Mascarene Islands
  • Southern Africa: Species ± 10, Botswana, Northern Province, North-West, Gauteng, Mpumalanga, Swaziland, Free State, KwaZulu-Natal, Lesotho, Northern, Western and Eastern Cape

References:

  • CANNON, J.F.M. 1978. Araliaceae. Flora zambesiaca 4
  • REYNEKE, W.F. 1981. 'n Morfologies-taksonomiese studie van die familie Araliaceae in suidelike Afrika. D.Sc. study, University of Pretoria, Pretoria
  • REYNEKE, W.F. 1984. A new species of Cussonia (Araliaceae) from the Transvaal. South African Journal of Botany 36
  • REYNEKE, W.F. & KOK, P.D.F. 1987. Two varieties of Cussonia paniculata Eckl. & Zeyh. South African Journal of Botany 53
  • SONDER, O.W. 1862. Araliaceae. Flora capensis 2
  • STREY, R.G. 1973. Notes on the genus Cussonia in South Africa. Bothalia 11
  • STREY, R.G. 1975. Araliaceae. A new species of Cussonia from the southern Cape. Bothalia 11
  • THUNBERG, C.P. 1780. Cussonia. Nova Acta Regiae Societatis Scientiarum Upsaliensis 3