e-Key <span id="jodit_selection_marker_1707816763427_24826031335885257" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - C<span id="jodit_selection_marker_1707816763427_6457004132380462" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>issus
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Vitaceae - Cissus L.

Description:

  • Erect or semiscandent shrubs or climbers
  • Tendrils leaf-opposed or 0
  • Leaves simple or sometimes deeply lobed or digitately 3-7-foliolate, margins variously toothed, rarely entire; stipules present
  • Flowers in leaf-opposed or terminal, rarely axillary cymes with flowers in umbels on ultimate branchlets; buds conical to ovoid
  • Calyx entire or 4-lobed
  • Corolla dull yellow or yellow; petals 4, hooded at apex
  • Disc ± adnate to ovary, thick, annular, entire or lobed
  • Stamens 4; filaments short
  • Style simple, subulate; stigma subcapitate
  • Fruit globose, ellipsoid or ovoid
  • Seed usually 1, oblong, ovoid or subspherical, often abruptly narrowed at one end and sometimes with a dorsal crest
  • x = 12 (10, 11, 13, 14) (high polyploidy)

Nomenclature:

  • Cissus L.
    • Linnaeus: 117 (1753)
    • Linnaeus: 53 (1754)
    • Phillips: 493 (1951)
    • Wild & Drummond: 448 (1963)
    • Descoings: 78 (1968)
    • Merxmüller & Schreiber: 2 (1969)
    • Descoings: 82 (1972)
    • Verdcourt: 12 (1993)
  • Cissus sect. Eucissus Planch.
    • Planchon: 471 (1887)

Distribution & Notes:

  • Global: Species ± 200, fairly cosmopolitan in tropical and subtropical regions
  • Southern Africa: Species 8, except in the Northern and Western Cape

References:

  • DESCOINGS, B. 1968. Vitacées. Flore du Gabon 14
  • DESCOINGS, B. 1972. Vitacées. Flore du Cameroun 13
  • LINNAEUS, C. 1753. Species plantarum. Laurentius Salvius, Stockholm
  • LINNAEUS, C. 1754. Genera plantarum, edn 5. Laurentius Salvius, Stockholm
  • MERXMÜLLER, H. & SCHREIBER A. 1969. Vitaceae. Prodromus einer Flora von Südwestafrika 80
  • PHILLIPS, E.P. 1951. The genera of South African flowering plants. Memoirs of the Botanical Survey of South Africa No. 25
  • PLANCHON, J.E. 1887. Ampelideae. In A.L.P.P. & A.C.P. de Candolle, Monographiae phanerogamarum 5,2. G. Masson, Paris
  • VERDCOURT, B. 1993. Flora of tropical East Africa. Vitaceae
  • WILD, H. & DRUMMOND, R.B. 1963. Vitaceae. Flora zambesiaca 2