e-Key <span id="jodit_selection_marker_1710927213267_5667768164184306" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Metrosi<span id="jodit_selection_marker_1710927213267_67713163035771" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>deros
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Myrtaceae - Metrosideros Banks ex Gaertn.

Description:

  • Trees or shrubs, rarely scandent
  • Leaves opposite, rarely almost alternate
  • Flowers often showy, in dense di- or trichotomous terminal cymes, rarely axillary
  • Calyx 5-lobed; tube campanulate, funnel-shaped, or urceolate, ± adnate to base of ovary; lobes imbricate
  • Petals 5, spreading, longer than calyx lobes, obovate-spatulate, white
  • Stamens 20-30 or more, in 1-many series, much longer than petals, free; anthers versatile
  • Ovary usually semi-inferior, 3(4)-locular, with several to many ovules in each locule; style shorter than stamens; stigma truncate or capitate
  • Fruit a capsule, included in or shortly exserted from persistent calyx tube, 2- or 3(4)-locular
  • Seeds many in each locule; variously shaped
  • x = 11

Nomenclature:

  • Metrosideros Banks ex Gaertn.
    • Gaertner: 170, t. 34 (1788) name conserved
    • Sonder: 521 (1862)

Distribution & Notes:

  • Global: Species 60, mostly Australia, New Zealand, Malay Archipelago and associated islands
  • Southern Africa: Species 1: Metrosideros angustifolia (L.) J.E.Sm., Western Cape as far north as Clanwilliam and Ceres Districts

References:

  • GAERTNER, J. 1788. De fructibus et seminibus plantarum. Academia Carolina, Stuttgart
  • SONDER, O.W. 1862. Myrtaceae. Flora capensis 2