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

Mesembryanthemaceae - Ruschioideae - Lampranthus Group - Wooleya L.Bolus

Description :

  • Moderately branched sprawling shrubs, up to 200 mm high; young branches and leaves ash-grey to purplish becoming grey-brown; woody stems up to 10 mm in diameter; roots fibrous
  • Leaves opposite, fused towards base, erect or spreading, obscurely 3-angled to cylindrical with upper surface slightly flattened, lower surface convex, blunt, up to 35 mm long, 9 mm in diameter, appearing as if dusted with powder, ash-grey to purplish, keels and margins reduced to red lines and tip ending in a point
  • Flowers solitary, terminal, shortly pedicellate, bracteate; opening in morning, closing in evening
  • Sepals 4, unequal, outer ones rounded and inner ones without membranous margins
  • Petals free towards base, white
  • Stamens papillose in basal part; staminodes gathered in a cone around stamens
  • Nectary consisting of a series of small teeth in a continuous ring
  • Ovary concave around margin, conical in centre above; placentas parietal; stigmas 11 or 12, subulate
  • Fruit a 11- or 12-locular capsule of Lampranthus type, woody, reddish at first, convex on top; valves with spreading wings; expanding keels parallel at base, diverging slightly towards apex; covering membranes small, not covering entire locule; closing bodies 0
  • Seeds smooth
  • Flowering March to August in habitat
  • Distinguishing characters :
    • Robust sprawling plants with leaves seemingly dusted with flour (hence the specific name farinosa = floury)
    • Flowers solitary, white
    • Fruit 11- or 12-locular

Nomenclature:

  • Wooleya L.Bolus
    • Bolus: 48 (1961)
    • Herre: 308 (1971)
    • Smith et al.: 342 (1998)

Distribution & Notes:

  • Southern Africa : Species 1: Wooleya farinosa (L.Bolus) L.Bolus, restricted to the coastal plains of Namaqualand, Northern Cape

References:

  • BOLUS, H.M.L. 1961. Notes on Mesembryanthemum and allied genera. Journal of South African Botany 27
  • HERRE, H. 1971. The genera of the Mesembryanthemaceae . Tafelberg, Cape Town
  • SMITH, G.F., CHESSELET, P., VAN JAARSVELD, E.J., HARTMANN, H., HAMMER, S., VAN WYK, B-.E., BURGOYNE, P., KLAK, C. & KURZWEIL, H. 1998. Mesembs of the world . Briza, Pretoria