e-Key <span id="jodit_selection_marker_1707296699502_6535994263731171" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Calys<span id="jodit_selection_marker_1707296699502_3651414864715463" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>tegia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Convolvulaceae - Calystegia R.Br.

Description:

  • Characters generally as in Convolvulus, but bracteoles large and clasping calyx
  • Corolla medium-sized to large, white or pink
  • Pollen smooth
  • Ovary 1-locular or imperfectly 2-locular, 4-ovuled; stigmas 2, oblong or elliptic, compressed
  • Seeds black, smooth or verrucose
  • x = 11 (12)

Nomenclature:

  • Calystegia R.Br.
    • Brown: 483 (1810) name conserved
    • Meeuse: 696 (1957)
    • Meeuse & Welman: 49 (2000)
  • Volvulus Medik.
    • Medikus: 42 (1791).
  • Convolvulus L. in part
    • Salter: 685 (1950)

Distribution & Notes:

  • Global: Species ± 25, in temperate and tropical regions of both hemispheres
  • Southern Africa: Species 2, rare and local on the Western Cape coast, 1 introduced

References:

  • BROWN, R. 1810. Breweria, Calystegia. Prodromus florae novae Hollandiae, edn 1. Richard Taylor, London
  • MEDIKUS, F.K. 1791. Volvulus. Philosophische Botanik, mit kritischen Bemerkungen 2. Akademische Buchhandlung, Mannheim
  • MEEUSE, A.D.J. 1957. The South African Convolvulaceae. Bothalia 6
  • MEEUSE, A.D.J. & WELMAN, W.G. 2000. Convolvulaceae. Flora of southern Africa 28,1
  • SALTER, T.M. 1950. Convolvulaceae. In R.S. Adamson & T.M. Salter, Flora of the Cape Peninsula. Juta, Cape Town

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