e-Key <span id="jodit_selection_marker_1707214732791_5918703847082296" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Brackenr<span id="jodit_selection_marker_1707214732791_3064402308885934" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>idgea
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Ochnaceae - Brackenridgea A.Gray

Description:

  • Trees, shrubs or soboliferous dwarf shrubs, glabrous, forming a yellow pigment in the bark
  • Leaves shortly petiolate, with primary lateral nerves curving upwards, almost parallel to margin, margin closely serrulate with gland-tipped teeth; petioles short; stipules deeply divided into subulate segments, persistent at least on first-year shoots
  • Flowers variously arranged, usually in axillary fascicles or reduced to 1 flower; bracts resembling stipules
  • Sepals (4)5, imbricate in bud, white or pink in flower, enlarging and becoming red and coriaceous in fruit
  • Petals (4)5, white or pale pink, fugaceous
  • Stamens 10-20, free; filaments persistent, slender, ± as long as anthers; anthers opening by longitudinal slits, caducous
  • Carpels 5-10, 1-ovulate, attached basally to receptacle; style entire; stigma capitate
  • Drupelets globose, shiny-black, attached basally to the red swollen torus
  • Seeds without endosperm, embryo curved around an internal projection of the endocarp

Nomenclature:

  • Brackenridgea A.Gray
    • Gray: 361, t. 42 (1854)
    • Robson: 252 (1963)
    • Du Toit & Obermeyer: 12 (1976)

Distribution & Notes:

  • Global: Species ± 12, SE Asia and Australia, 4 in Africa and Madagascar
  • Southern Africa: Species 2, Namibia and Northern Province; usually in sandy soil

References:

  • DU TOIT, P.C.V. & OBERMEYER, A.A. 1976. Ochnaceae. Flora of southern Africa 22
  • GRAY, A. 1854. United States Exploring Expedition, Botany. Phanerogamia. 1. Philadelphia
  • ROBSON, N.K.B. 1963. Ochnaceae. Flora zambesiaca 2