e-Key <span id="jodit_selection_marker_1705324233381_8736292714801903" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Aer<span id="jodit_selection_marker_1705324233382_13250494954438063" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>angis
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Orchidaceae - Epidendroideae - Vandeae - Aerangis Rchb.f.

Description:

  • Epiphytic monopodial herbs, with short or elongate leafy stems, without pseudobulbs
  • Leaves distichous, ligulate to oblanceolate, flat, usually unequally bilobed at apex
  • Inflorescences lateral, short or long racemes, rarely branched, mainly pendulous; flowers usually white
  • Sepals and petals ± lanceolate-oblong, spreading, free
  • Lip elliptic to lanceolate-oblong, with long spur
  • Gynostemium short and broad; anther operculate, anther cap sometimes beaked; pollinia 2, attached by single stipe to single enlarged viscidium; rostellum entire, elongated
  • Capsule cylindrical or ellipsoid, often much enlarged
  • x = 25 (aneuploids, high polyploidy)

Nomenclature:

  • Aerangis Rchb.f.
    • Reichenbach: 190 (1865)
    • Rolfe: 68 (1912) under Angraecum
    • Schelpe: 44 (1966)
    • Harrison: 47 (1972)
    • Stewart: 239 (1979)
    • Stewart et al.: 262 (1982)
    • Linder & Kurzweil: 427 (1999)

Distribution & Notes:

  • Global: Species ± 50, Africa and Mascarene Islands
  • Southern Africa: Species 3 (possibly 5), Mpumalanga, Swaziland, KwaZulu-Natal, and Eastern Cape

References:

  • HARRISON, E.R. 1972. Epiphytic orchids of southern Africa. Natal Branch of the Wildlife Society of Southern Africa
  • LINDER, H.P. & KURZWEIL, H. 1999. Orchids of southern Africa. A.A. Balkema, Rotterdam
  • REICHENBACH, H.G. 1865. Dr. Welwitsch's Orchideen aus Angola. Flora 48
  • ROLFE, R.A. 1912. 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. 1979. A revision of the African species of Aerangis (Orchidaceae). Kew Bulletin 34
  • STEWART, J., LINDER, H.P., SCHELPE, E.A. & HALL, A.V. 1982. Wild orchids of southern Africa. Macmillan, Johannesburg