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

Mesembryanthemaceae - Ruschioideae - Bergeranthus Group - Cerochlamys N.E.Br.

Description :

  • Compact tufted perennials
  • Leaves opposite, shortly united at base, 1-3 pairs on a branch, trigonously clavate with rounded keels, often twisted almost at right angles from base, firm in texture with waxy covering, ± 40 mm long, purplish green to yellowish
  • Flowers terminal, 1-3; pedicel bracteolate; opening in late morning, open all day, long-lasting
  • Sepals 5 or 6, nearly equal
  • Petals 2- or 3-seriate, free, linear, pink with white bases, or white
  • Stamens : filaments epapillate; anthers yellow or orange
  • Staminodes present
  • Nectary appearing annular, of 5 separate crenulate glands, touching each other
  • Ovary obconic, flattish on top; placentas parietal; stigmas 5 or 6, short, acute
  • Fruit a 5- or 6-locular capsule; persisting on the plant; shortly obconic to nearly flat, with raised sutures on top; possibly close to Mitrophyllum type because of its widely diverging, broad expanding keels ending in awns, but valve wings absent; valves with high rims, only opening into a vertical position; spongy tissue separating locules; covering membranes stiff, acute, with dense mass of funicles at openings of locules
  • Seeds acutely ovoid, microscopically tuberculate
  • x = 9
  • Flowering in autumn and winter
  • Distinguishing characters :
    • Small tufted perennials flowering in mid-winter
    • Leaves purplish green with a partially peeling waxy covering
    • Capsule valves open to vertical position only

Nomenclature:

  • Cerochlamys N.E.Br.
    • Brown: 171 (1928)
    • Herre: 110 (1971)
    • Hartmann: 44 (1998)
    • Smith et al.: 138 (1998)

Distribution & Notes:

  • Southern Africa : Species 3, in crevices of rocks or in shaly places in the Little and Great Karoo, Western Cape

References:

  • BROWN, N.E. 1928. Cerochlamys : a new genus of Mesembryanthemeae . Journal of Botany, British and Foreign 66
  • HARTMANN, H.E.K. 1998. New combinations in Ruschioideae , based on studies in Ruschia ( Aizoaceae ). Bradleya 16
  • 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