e-Key <span id="jodit_selection_marker_1706014101104_08710068937827486" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Anacamp<span id="jodit_selection_marker_1706014101104_509230349556248" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>seros
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Portulacaceae - Anacampseroteae - Anacampseros L.

Description:

  • Dwarf, sparingly branched perennial herbs or undershrubs, often with tuberous rootstock; roots thick, fleshy, soft; stems short, thick, fleshy, soft
  • Leaves alternate, simple, entire, often closely packed, succulent, green leaves exposed, glabrous or papillate; if more than 2, then in a rosette; stipules, when present, modified into bristly hairs
  • Inflorescences terminal, erect on an elongated, 2-more-flowered scape, with few slender branches and scattered, bract-like, reduced leaves, or undeveloped
  • Flowers bisexual, sessile, opening for a few hours in bright sunlight
  • Sepals 2, soon deciduous
  • Petals 5, hypogynous, fugaceous, white, pink or red
  • Stamens many, adhering to base of petals; filaments usually white; anthers yellow
  • Ovary superior, 1-locular, sessile; ovules many on a free-central placenta; style 3-fid
  • Fruit a capsule, 3-valved or falsely 6-valved by subdivision; epicarp separating from endocarp and deciduous with bristle between each valve
  • Seeds with a large empty-celled outer layer, angled or compressed, sometimes 3-winged; embryo slightly curved but not surrounding the small perisperm
  • x = 9 (polyploidy)

Classification Notes:

  • Anacampseros and Avonia belong to the tribe Anacampseroteae Nyananyo ex Rowley

Nomenclature:

  • Anacampseros L.
    • Linnaeus: 232 (1758) name conserved
    • Candolle: 355 (1828)
    • Fenzl: 950 (1839)
    • Bentham: 157 (1862)
    • Sonder: 382 (1862)
    • Pax: 57 (1889)
    • Pearson & Stephens: 30 (1912)
    • Burtt Davy: 165 (1926)
    • Poellnitz: 382 (1933)
    • Pax & Hoffmann: 253 (1934)
    • McNeill: 727 (1974)
    • Nyananyo: 239 (1990)
    • Carolin: 551 (1993)
    • Rowley: 105 (1994)
    • Rowley: 30 (1995)
  • Anacampseros L. section Anacampseros, Court
    • Court: 112 (1981)
    • Gerbaulet: 535 (1992)

Distribution & Notes:

  • Southern Africa: Species 14 and some subspecies, restricted to region, mainly in arid and semi-arid areas, Namibia, Botswana, Northern Province, North-West, Gauteng, Mpumalanga, Free State, KwaZulu-Natal, Northern, Western and Eastern Cape

References:

  • BENTHAM, G. 1862. Portulaceae. In G. Bentham & J.D. Hooker, Genera plantarum 1. Lovell Reeve & Co., London
  • BURTT DAVY, J. 1926. Portulacaceae. A manual of the flowering plants and ferns of the Transvaal with Swaziland 1. Longmans, Green & Co., London
  • CANDOLLE, A.P. DE. 1828. Portulaceae. Prodromus 3. Treuttel & Würtz, Paris
  • CAROLIN, R.C. 1993. Portulacaceae. In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin
  • COURT, D. 1981. Succulent flora of southern Africa. A.A. Balkema, Cape Town
  • FENZL, E. 1839. Ordo Portulacaceae. In S.L. Endlicher, Genera plantarum secundum ordines naturales disposita 2. Beck, Vienna
  • GERBAULET, M. 1992. Die Gattung Anacampseros L. (Portulacaceae). Botanische Jahrbücher 113
  • LINNAEUS, C. 1758. Opera varia in quibus continentur Fundamenta botanica. Typographia Juntiniana, Lucca
  • MCNEILL, J. 1974. Synopsis of a revised classification of the Portulacaceae. Taxon 23
  • NYANANYO, B.L. 1990. Tribal and generic relationship in the Portulacaceae (CENTROSPERMAE). Feddes Repertorium 101
  • PAX, F. 1889. Portulacaceae. Die natürlichen Pflanzenfamilien 3,1b
  • PAX, F. & HOFFMANN, K. 1934. Portulacaceae. Die natürlichen Pflanzenfamilien, edn 2,16c
  • PEARSON, H.H.W. & STEPHENS, E.L. 1912. List of the plants collected in the Percy Sladen Memorial Expeditions, 1908-9, 1910-11. Portulacaceae. Annals of the South African Museum 9
  • POELLNITZ, K. VON. 1933. Anacampseros L. Versuch einer Monographie. Botanische Jahrbücher 65
  • ROWLEY, G.D. 1994. Anacampseros and allied genera - a reassessment. Bradleya 12/1994
  • ROWLEY, G.D. 1995. Anacampseros, Avonia, Grahamia. A grower's handbook. The British Cactus and Succulent Society, Hants
  • SONDER, O.W. 1862. Portulacaceae. Flora capensis 2