e-Key <span id="jodit_selection_marker_1707815142223_828069684155629" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Cerat<span id="jodit_selection_marker_1707815142223_05808030846340784" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>andra
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Orchidaceae - Orchidoideae - Diseae - Ceratandra Eckl. ex F.A.Bauer

Description:

  • Terrestrial herbs, with fascicles of furry roots, sometimes also with small tubers
  • Leaves cauline, linear to lanceolate; basal cluster of linear leaves often present
  • Inflorescence a lax or dense, elongate or corymbose raceme; bracts linear and often marginally ciliate; flowers resupinate or not, yellow or pink and white
  • Sepals: median one mostly adnate to petals and ± reflexed; laterals spreading
  • Petals mostly unlobed, lanceolate-ovate
  • Lip basally fused with gynostemium, anchor-shaped, reniform or broadly lanceolate, with or without appendage, frequently with laminar callus
  • Gynostemium sometimes shortly stalked; anther thecae pendent and apparent as pair of erect or diverging arms (covered by flat rostellum), each with viscidium at its apex, anther canals diverging, short or long; pollinia 2, sectile, often with long caudicles; stigma convex cushions in median portion of rostellum, at dorsal face of gynostemium
  • Capsule oblong, ribbed

Nomenclature:

  • Ceratandra Eckl. ex F.A.Bauer
    • Bauer: vol. 4, t. 16 (1837)
    • Rolfe: 265 (1913)
    • Phillips: 238 (1951)
    • Schelpe: 98 (1966)
    • Stewart et al.: 180 (1982)
    • Kurzweil et al.: 213 (1991)
    • Linder & Kurzweil: 320 (1999)
  • Ceratandropsis Rolfe
    • Rolfe: 266 (1913)
    • Phillips: 238 (1951)
  • Evota Rolfe
    • Rolfe: 268 (1913)
    • Phillips: 238 (1951)
    • Schelpe: 100 (1966)
    • Stewart et al.: 182 (1982)

Distribution & Notes:

  • Southern Africa: Species 6, mainly Western Cape, extending into Eastern Cape

References:

  • BAUER, F.A. 1837. Illustrations of orchidaceous plants Vol. 4. Ridgway & Sons, Londont
  • KURZWEIL, H., LINDER, H.P., & CHESSELET, P. 1991. The phylogeny and evolution of the Pterygodium-Corycium complex (Coryciinae, Orchidaceae). Plant Systematics and Evolution 175
  • LINDER, H.P. & KURZWEIL, H. 1999. Orchids of southern Africa. A.A. Balkema, Rotterdam
  • PHILLIPS, E.P. 1951. The genera of South African flowering plants. Memoirs of the Botanical Survey of South Africa No. 25
  • ROLFE, R.A. 1913. Order CXXXI. Orchideae. Flora capensis 5,3
  • SCHELPE, E.A. 1966. An introduction to the South African Orchids. Purnell & Sons, Cape Town, Johannesburg
  • STEWART, J., LINDER, H.P., SCHELPE, E.A. & HALL, A.V. 1982. Wild orchids of southern Africa. Macmillan, Johannesburg