e-Key v3 - Caryotophora
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Mesembryanthemaceae - Ruschioideae - Apatesia Group - Caryotophora Leistner

Description :

  • Low, slightly succulent glabrous perennials, with suckers arising from a thick laterally spreading root, each giving rise to a very short stem bearing a tuft of leaves and decumbent annual flowering branches
  • Leaves alternate or subopposite, lanceolate-spatulate, obtuse or subacute, flat, decurrent and stem-clasping at base, entire, ascending, dark green, mesomorphic
  • Flowers solitary, terminal, 40-60 mm in diameter, peduncle 30-100 mm long; opening by day
  • Sepals 5
  • Petals linear-attenuate, white
  • Stamens and staminodes incurved; filaments papillose near base
  • Nectary a crenulate ring
  • Ovary 3- or 4-locular, receptacle subturbinate, slightly convex on upper surface; placentas axile; stigmas 3 or 4, subulate
  • Fruit a schizocarp, with 3 or 4 bilocular, nut-like, woody mericarps, with a single ovule in each locule
  • Seeds reniform, up to 2 mm long, verrucose, reddish brown
  • Flowering from spring to early summer
  • Distinguishing characters :
    • Leaves flat, smooth, slightly succulent, lance- to spoon-shaped
    • Fruit comprising 3 to 4 nut-like parts
    • Flowers white

Nomenclature:

  • Caryotophora Leistner
    • Leistner: 289 (1958)
    • Herre: 106 (1971)
    • Ihlenfeldt & Gerbaulet: 457 (1990)
    • Smith et al.: 64 (1998)

Distribution & Notes:

  • Southern Africa : Species 1: Caryotophora skiatophytoides Leistner, with a very restricted distribution to the west of Cape Agulhas, the southernmost point of Africa, in the Western Cape
    • It is known only from sandy flats with coastal fynbos vegetation in the Brandfontein area, near Bredasdorp

References:

  • HERRE, H. 1971. The genera of the Mesembryanthemaceae . Tafelberg, Cape Town
  • IHLENFELDT, H.-D. & GERBAULET, M. 1990. Untersuchungen zum Merkmalsbestand und zur Taxonomie der Gattungen Apatesia N.E.Br., Carpanthea N.E.Br., Conicosia N.E.Br., Herrea Schwantes und Hymenogyne Haw. ( Mesembryanthemaceae Fenzl). Botanische Jahrbücher 111
  • LEISTNER, O.A. 1958. A new monotypic genus of the Mesembryanthemaceae . In H.M.L. Bolus, Notes on Mesembryanthemum and allied genera . 3. University of Cape Town, 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