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

Aizoaceae - Aizooideae - Aizoon L.

Description :

  • Perennial or annual herbs or undershrubs, all parts variably pubescent
  • Leaves alternate, rarely opposite, often crowded, petiolate or sessile, flat to cylindrical; stipules 0
  • Inflorescence mostly frondose
  • Flowers bisexual, often seemingly solitary or in axillary groups
  • Perianth 4- or 5-lobed; tube ± campanulate, sometimes short, often strigose; lobes valvate or imbricate, white inside, yellow or pink outside
  • Stamens few to many, arising from calyx throat, in groups alternating with calyx lobes; filaments filiform
  • Ovary superior, 4- or 5-locular, sometimes discoid, included in calyx tube, with 2-many pendulous ovules per locule
  • Fruit a capsule with central impression, somewhat corky or woody, expanding keels long or short, lifting valves only slightly
  • Seeds small, pear-shaped or reniform, on long funicle, with concentric ridges
  • x = 8

Nomenclature:

  • Aizoon L.
    • Linnaeus: 488 (1753)
    • Linnaeus: 216 (1754)
    • Sonder: 469 (1862)
    • Adamson: 29 (1959)
    • Friedrich: 613 (1960)
    • Friedrich: 13 (1970)
    • Gonçalves: 509 (1978)
    • Hartmann: 44 (1993)
    • Gilbert: 112 (1993)

Distribution & Notes:

  • Global : Species ± 25, Mediterranean
  • Southern Africa : Species 11, Namibia, Botswana, Swaziland, Free State, KwaZulu-Natal, Northern, Western and Eastern Cape
    • Often introduced as weed into suitable climates

References:

  • ADAMSON, R.S. 1959. The South African species of Aizoaceae . VII. Aizoon . Journal of South African Botany 25
  • FRIEDRICH, H.C. 1960. Weitere Beiträge zur südwestafrikanischen Flora. Ficoidaceae . Mitteilungen der Botanischen Staatssammlung München 3
  • FRIEDRICH, H.C. 1970. Aizoaceae . Prodromus einer Flora von Südwestafrika 27
  • GILBERT, M.G. 1993. Aizoaceae . Flora of Somalia 1
  • GONÇALVES, M.L. 1978. Aizoaceae sensu lato. Flora zambesiaca 4
  • HARTMANN, H.E.K. 1993. Aizoaceae . In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin
  • LINNAEUS, C. 1753. Species plantarum , edn 1. Laurentius Salvius, Stockholm
  • LINNAEUS, C. 1754. Genera plantarum , edn 5. Laurentius Salvius, Stockholm
  • SONDER, O.W. 1862. Mesembryaceae (excl. Tetragonia ). Flora capensis 2