e-Key <span id="jodit_selection_marker_1706781118102_19758470257357152" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Anthocl<span id="jodit_selection_marker_1706781118102_026225616555882958" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>eista
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Gentianaceae - Anthocleista Afzel. ex R.Br.

Description:

  • Trees, tall, deciduous, with straight, clean bole
  • Leaves opposite, usually large, 0.13-1.15 m long, oblong, narrowing towards base in lower half, clustered at ends of branches, glabrous
  • Inflorescence terminal in trichotomously branched, cymose panicles with stout branches
  • Flowers large, white or dull yellow
  • Calyx deeply 4-lobed, coriaceous, imbricate
  • Corolla with tube usually ± cylindric; lobes 8-16, linear, lanceolate, or oblong-linear, imbricate and contorted
  • Stamens as many as corolla lobes; filaments united at base to form a short ring or cup; anther cells parallel
  • Ovary on a fleshy disc, 2-locular or spuriously 4-locular with many ovules in each locule; style long or short; stigma oblong, globose or shortly cylindric
  • Fruit a subglobose or oblong-ellipsoid berry with coriaceous pericarp
  • Seeds many, minute, embedded in fleshy placentas
  • x = 6 (10, 15) (high polyploidy)

Nomenclature:

  • Anthocleista Afzel. ex R.Br.
    • Brown: 449 (1818)
    • Leeuwenberg: 1 (1961)
    • Verdoorn: 135 (1963) under Loganiaceae
    • Van Wyk & Van Wyk: 276 (1997) under Loganiaceae

Distribution & Notes:

  • Global: Species ± 50 mostly in tropical Africa, Madagascar and Mascarene Islands
  • Southern Africa: Species 1: Anthocleista grandiflora Gilg; subtropical forest of Northern Province, Mpumalanga and Swaziland

References:

  • BROWN, R. 1818. In J.H. Tuckey, Narrative of an expedition to explore the river Zaire, Appendix 5: Observations, systematical and geographical. John Murray, London
  • LEEUWENBERG, A.J.M. 1961. The Loganiaceae of Africa, 1. Anthocleista. Acta Botanica Neerlandica 10
  • VAN WYK, B. [A.E.] & VAN WYK, P. 1997. Field guide to trees of southern Africa. Struik, Cape Town
  • VERDOORN, I.C. 1963. Loganiaceae. Anthocleista. Flora of southern Africa 26