e-Key <span id="jodit_selection_marker_1710326465144_3677543186534009" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Jordaan<span id="jodit_selection_marker_1710326465145_4977712939178238" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>iella
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Mesembryanthemaceae - Ruschioideae - Leipoldtia Group - Jordaaniella H.E.K.Hartmann

Description:

  • Prostrate perennials, with long orange-coloured or yellow internodes with a spongy persistent primary cortex; adventitious roots many, arising from nodes of trailing branches
  • Leaves fusiform, characteristically broadest towards middle and tapering towards both ends; stomata not sunken
  • Flowers solitary on short side branches, bracteate; opening midday, closing in afternoon
  • Sepals (4)5(6)
  • Petals in different shades of yellow or purple, rarely white
  • Stamens: inner filaments papillate at base, yellow, white or salmon-pink; staminodes 0
  • Nectary a weakly crenulate ring
  • Ovary: placentas parietal
  • Fruit a 10(25-locular capsule, of Leipoldtia type but with small closing bodies
  • x = 9
  • Flowering in winter and spring
  • Distinguishing characters:
    • Perennials with trailing stems
    • Leaves tapering towards both ends
    • Fruit 10-25-locular, with angular valves, appearing squarish on top

Nomenclature:

  • Jordaaniella H.E.K.Hartmann
    • Hartmann: 57 (1983)
    • Hartmann: 1 (1983)
    • Hartmann: 321 (1984)
    • Smith et al.: 266 (1998)
  • Cephalophyllum N.E.Br. in part

Distribution & Notes:

  • Southern Africa: Species 4, mainly on coastal sands in Strandveld and in the succulent Karoo, restricted to S Namibia, Northern and Western Cape

References:

  • HARTMANN, H.E.K. 1983. Untersuchungen zum Merkmalsbestand und zur Taxonomie der Subtribus Leipoldtiinae (Mesembryanthemaceae). Bibliotheca Botanica 136
  • HARTMANN, H.E.K. 1984. Monographien der Subtribus Leipoldtiinae VI. Monographie der Gattung Jordaaniella (Mesembryanthemaceae). Botanische Jahrbücher 104
  • 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