e-Key v3 - Oliverella
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Loranthaceae - Oliverella Tiegh.

Description :

  • Small, aerial, hemiparasitic shrubs, shortly hairy
  • Leaves opposite to alternate
  • Inflorescence a solitary, axillary, many-flowered umbel
  • Calyx rim-like
  • Corolla 5-merous, hairy, opening down one side; buds slightly curved, with ellipsoid apical swelling; tube green, short; lobes red, sometimes grey outside on upper part
  • Filaments arising on corolla lobes, filiform below, thickened above, inrolled; anthers 4-thecous, with small connective appendage
  • Style filiform; stigma capitate
  • Berry red, obovoid, with persistent calyx

Nomenclature:

  • Oliverella Tiegh.
    • Van Tieghem: 258 (1895)
    • Polhill & Wiens: 101 (1998)

Distribution & Notes:

  • Global : Species 3, eastern and south-central Africa in coastal and deciduous bushland and mixed woodland
  • Southern Africa : Species 1: Oliverella rubroviridis Tiegh., Botswana

References:

  • POLHILL, R. & WIENS, D. 1998. The mistletoes of Africa . The Royal Botanic Gardens, Kew
  • VAN TIEGHEM, P.E.L. 1895. Sur le groupement des espèces en genres dans les Loranthacées à calice dialysepale et anthères basifixes ou dendrophthoées. Bulletin de la Société Botanique de France 42