e-Key <span id="jodit_selection_marker_1703149454043_3217725518859311" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Myric<span id="jodit_selection_marker_1703149454043_6705609156120647" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>aceae
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

DICOTYLEDON - HAMAMELIDAE - JUGLANDALES - Myricaceae

Compiled by M. Jordaan

Description:

  • Shrubs or small trees, evergreen or deciduous, often aromatic and resinous; roots commonly with nitrogen-fixing nodules; plants monoecious or dioecious
  • Leaves alternate, simple, entire, serrate, irregularly toothed or lobed, often gland-dotted, usually leathery, petiolate; stipules 0
  • Inflorescences axillary, ± erect, catkin-like spikes, usually surrounded by 2-6 bracteoles; male spikes often dense, sometimes spikes with male flowers below and female flowers above; female spikes longer or shorter than male
  • Flowers inconspicuous, unisexual, occasionally bisexual, wind-pollinated
  • Perianth 0
  • Male flowers subtended by solitary bracts; stamens 2-8(-20), often 4-6; filaments short, free or ± cohering; anthers dorsifixed, 2-thecous, erect, ovate, extrorsely dehiscing by longitudinal slits; ovary rudimentary
  • Female flowers subtended by solitary bracts; bracteoles present or 0; gynoecium 2-carpellate; ovary superior, sessile, 1-locular; ovule solitary, basal, erect; style short; stigmas 2, filiform or occasionally short
  • Fruit a drupe, globose or ovoid, usually warty, often covered with white wax, sometimes with gladular dots, enclosed by persistent bracts and bracteoles; endocarp hard
  • Seed with little or no endosperm; embryo straight
  • x = 8 (high polyploidy)

Nomenclature:

  • Myricaceae
    • Blume: 3 (1829)
    • Bentham: 400 (1880)
    • Engler: 26 (1888)
    • Chevalier: 85 (1901)
    • Killick: 5 (1969)
    • Kubitzki: 453 (1993)
    • White: 173 (1993)
    • Mabberley: 473 (1997)

Distribution & Notes:

  • Global: Genera 4, species ± 55, mostly in temperate to subtropical and tropical-montane regions of the world; two monotypic genera: one endemic to New Caledonia and the other to eastern North America
  • Southern Africa: Genus 1, species 9

References:

  • BENTHAM, G. 1880. Myricaceae. In G. Bentham & J.D. Hooker, Genera plantarum 3. Lovell Reeve & Co., London
  • BLUME, C.L. 1829. Myricaceae. In Flora Javae 17-18. Frank, Brussels
  • CHEVALIER, A.J.B. 1901. Monographie des Myricacées; anatomie et histologie, organographie, classification et déscription des espèces, distribution géographique. Mémoires de la Société des Sciences Naturelles de Cherbourg 32
  • ENGLER, A. 1888. Myricaceae. Die natürlichen Pflanzenfamilien 3,1
  • KILLICK, D.J.B. 1969. The South African species of Myrica. Bothalia
  • KUBITZKI, K. 1993. Myricaceae. In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin
  • MABBERLEY, D.J. 1997. The plant-book, edn 2. Cambridge University Press, Cambridge
  • WHITE, F. 1993. African Myricaceae and the history of the Afromontane flora. Opera Botanica 121

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