e-Key <span id="jodit_selection_marker_1707915744190_9570604968296121" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Corpuscu<span id="jodit_selection_marker_1707915744190_9392786144897023" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>laria
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Mesembryanthemaceae - Ruschioideae - Delosperma Group - Corpuscularia Schwantes

Description:

  • Low shrublets, sometimes with trailing branches with internodes usually hidden by leaves
  • Leaves sharply triangular in cross section, sides ± parallel, with tiny pointed tips, smooth and firm in texture, very pale green to bluish green, unspotted
  • Flowers solitary, short-stalked, rather large and white to pale pinkish or cream; bracts leaf-like
  • Sepals 6, firm
  • Petals long and narrow, rather stiff, white
  • Stamens erect, sparsely hairy; staminodes few
  • Nectary of 6 separate, but nearly touching glands
  • Ovary: placentas parietal; stigmas 6
  • Fruit a 6-locular capsule, of Delosperma type; robust, whitish, with dark persistent petal remains, not closing completely after first opening; expanding keels parallel; valve wings broad; covering membranes 0; closing bodies 0
  • Seeds pear-shaped and nearly smooth
  • x = 9
  • Flowering in spring and summer
  • Distinguishing characters:
    • Shrublets with pale grey-green, triquetrous, dotless leaves
    • Flowers white with stiff petals and 6 sepals
    • Old petals persist on the developing fruit

Nomenclature:

  • Corpuscularia Schwantes
    • Schwantes: 186 (1926)
    • Dupont: 7 (1968)
    • Smith et al.: 278 (1998)
  • Schonlandia L.Bolus
    • Bolus: t. 259 (1927)

Distribution & Notes:

  • Southern Africa: Species 2, restricted to the Eastern Cape, where it occurs from around Port Elizabeth up to Grahamstown

References:

  • BOLUS, H.M.L. 1927. Schonlandia lehmannii. Flowering Plants of South Africa 7
  • DUPONT, S. 1968. Épidermes et plantules des Mésembryanthemacées. Systématique. Évolution. Bulletin de la Société d'Histoire Naturelle de Toulouse 104
  • SCHWANTES G. 1926. Einige neue Mesembrianthemaceen. Zeitschrift für Sukkulentenkunde 2
  • 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