e-Key <span id="jodit_selection_marker_1706790714647_5159196085152846" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Asp<span id="jodit_selection_marker_1706790714647_7402287830028955" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>azoma
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Mesembryanthemaceae - Mesembryanthemoideae - Aspazoma N.E.Br.

Description:

  • Shrublets up to ± 150 mm high
  • Leaves more than 2 to a branch, some alternate, others opposite, semiterete or subtrigonous to ± terete, basally free but enveloping each other, forming a prominent sheath, with slightly xeromorphic bladder-cells
  • Flowers terminal, solitary, ± 40 mm diameter, white to pale yellow
  • Sepals 4 or 5, with 2 lobes foliaceous, others shorter and more membranous, united into a short tube above ovary
  • Petals 2- or 3-seriate, linear, united into a short tube at base, white to pale yellow
  • Stamens and staminodes many, erect; pollen punctate-foveolate, microspinulose
  • Nectary a ring with ± entire rim
  • Ovary conical with axile placentas
  • Fruit a 4- or 5-locular capsule, of Mesembryanthemum type; expanding keels with a broad, inflexed or erect submembranous flap or wing on each side, locules mostly with 2 seeds only
  • Seeds 2.2 mm long, light brown, almost smooth, epicuticular sculpture very finely verrucose
  • Flowering in spring
  • Distinguishing characters:
    • Leaves stem-clasping
    • Seeds large

Nomenclature:

  • Aspazoma N.E.Br.
    • Brown: 413 (1925)
    • Herre: 86 (1971)
    • Bittrich: 5 (1986)
    • Smith et al.: 32 (1998)

Distribution & Notes:

  • Southern Africa: Species 1: Aspazoma amplectens (L.Bolus) N.E.Br., confined to Namaqualand, including the Richtersveld in the Northern and Western Cape

References:

  • BITTRICH, V. 1986. Untersuchungen zu Merkmalsbestand, Gliederung und Abgrenzung der Unterfamilie Mesembryanthemoideae (Mesembryanthemaceae Fenzl). Mitteilungen aus dem Institut für Allgemeine Botanik. Hamburg 21
  • BROWN, N.E. 1925. Mesembryanthemum and some new genera separated from it. Gardeners' Chronicle 78
  • 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