e-Key <span id="jodit_selection_marker_1709027420675_33294268717706976" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Didymop<span id="jodit_selection_marker_1709027420675_44012149592896166" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>lexis
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Orchidaceae - Epidendroideae - Gastrodieae - Didymoplexis Griff.

Description:

  • Terrestrial, saprophytic, pinkish brown plants with tuberous rhizomes
  • Stems erect, bearing terminal inflorescences
  • Leaves 0
  • Inflorescence a raceme, with 1-few white flowers
  • Sepals and petals basally united
  • Lip 3-lobed, with lamellae and warty outgrowths
  • Gynostemium short, with short teeth at apex
  • Fruiting pedicel lengthening to 90-200 mm at maturity
  • Capsule cylindrical, to 20 mm long

Nomenclature:

  • Didymoplexis Griff.
    • Griffith: 383 (1844)
    • Stewart et al.: 210 (1982)
    • Linder & Kurzweil: 351 (1999)

Distribution & Notes:

  • Global: Species 20, in Asian tropics, extending to Africa
  • Southern Africa: Species 1: Didymoplexis verrucosa J.L.Stewart & Hennessy, in Zululand (N KwaZulu-Natal)

References:

  • GRIFFITH, W. 1844. Didymoplexis. Calcutta Journal of Natural History 4
  • LINDER, H.P. & KURZWEIL, H. 1999. Orchids of southern Africa. A.A. Balkema, Rotterdam
  • STEWART, J., LINDER, H.P., SCHELPE, E.A. & HALL, A.V. 1982. Wild orchids of southern Africa. Macmillan, Johannesburg