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

Ericaceae - Vaccinium L.

Description :

  • Shrubs up to 4 m tall
  • Leaves alternate, broad, flat, 40-60 X 10-20 mm
  • Flowers in small axillary racemes; bract much reduced, on main axis; bracteoles 2, much reduced
  • Calyx 4- or 5-lobed; tube short, adnate to ovary
  • Corolla 4- or 5-lobed, deciduous
  • Stamens 10, free; filaments broadening towards base, pilose; anthers dorsifixed near apex, with 2 small dorsal appendages, thecae produced into 2 long tubes opening by terminal pores; pollen shed as tetrads
  • Ovary half-inferior, 4- or 5-locular or falsely 10-locular owing to intrusion of partitions from placenta, with few to numerous ovules per locule; style slender, included; stigma simple or subcapitate
  • Fruit a berry ± the size of a small pea, crowned with persistent calyx lobes; seeds ellipsoid, with thick alveolate testa
  • x = 12 (polyploidy)

Nomenclature:

  • Vaccinium L.
    • Linnaeus: 349 (1753)
    • Brown: 1 (1905) under Vacciniaceae
    • Verdoorn: 92 (1954)

Distribution & Notes:

  • Global : Species ± 450, cosmopolitan, mainly in South America and southeast Asia
  • Southern Africa : Species 1: Vaccinium exul Bolus, Drakensberg escarpment of Mpumalanga

References:

  • BROWN, N.E. 1905. Vacciniaceae . Flora capensis 4
  • LINNAEUS, C. 1753. Species plantarum . Laurentius Salvius, Stockholm
  • VERDOORN, I.C. 1954. The Transvaal Ericaceae . Journal of South African Botany 20