e-Key <span id="jodit_selection_marker_1711447059138_9691938629260357" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Namaqua<span id="jodit_selection_marker_1711447059138_8678777366646775" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>nthus
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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 - Namaquanthus L.Bolus

Description:

  • Shrublets up to ± 300 mm high; branches with short internodes, up to 15 mm in diameter, covered by persistent, dry leaves
  • Leaves opposite, ± terete to subcylindric, up to ± 60 mm long, 10 mm in diameter, united at base into sheath, surface smooth; stomata not sunken
  • Flowers solitary, terminal, pedicellate, bibracteate, up to 60 mm in diameter; open from morning till evening
  • Sepals 4(-6), unequal
  • Petals 4-seriate, outer ones narrowly spatulate, inner ones becoming shorter towards centre of flower, purple
  • Stamens crowded; filaments purple, epapillate
  • Nectary a finely crenulate pink ring
  • Ovary flat or convex on top; stigmas (8()12((16), subulate, purple
  • Fruit a (8()12((16)-locular capsule, of Lampranthus type, woody and rounded; valve wings present, narrow; covering membranes radially thickened; expanding keels parallel, diverging at tips; closing bodies 0
  • Seeds echinate with very long papillae along back
  • Flowering in winter
  • Distinguishing characters:
    • Compact perennials
    • Leaves cylindrical, fused at the bases
    • Flowers magenta with spoon-shaped outer petals
    • Seeds echinate

Nomenclature:

  • Namaquanthus L.Bolus
    • Bolus: 257 (1954)
    • Herre: 222 (1971)
    • Smith et al.: 334 (1998)

Distribution & Notes:

  • Southern Africa: Species 1: Namaquanthus vanheerdii L.Bolus, restricted to a small area northwest of Springbok in Namaqualand, Northern Cape

References:

  • BOLUS, H.M.L. 1954. Namaquanthus gen. nov. Notes on Mesembryanthemum and allied genera. 3. University of Cape Town, Cape Town
  • 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