e-Key <span id="jodit_selection_marker_1709631240026_924928214921175" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Fe<span id="jodit_selection_marker_1709631240026_8384164821601958" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>retia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Rubiaceae - Ixoroideae - Octotropideae - Feretia Delile

Description:

  • Deciduous shrubs; older stems sometimes with greyish bark
  • Leaves shortly petiolate, usually obovate; stipules ovate
  • Flowers 5(4 or 8)-merous, bisexual, precocious, usually 1(or 2) pairs borne on very reduced leafless spurs, sessile
  • Calyx somewhat unequally 4- or 5-lobed; tube narrowly campanulate; lobes lanceolate or oblong, apiculate, glabrous
  • Corolla white, tinged with pink; deeply 4- or 5-lobed; tube narrowly funnel-shaped above, cylindric below, pubescent outside, hairy at throat; lobes oblong or oval, contorted in bud
  • Stamens 4 or 5, arising at mouth of corolla tube; anthers linear, sessile, dorsifixed
  • Disc usually inconspicuous
  • Ovary 2-locular, with 2-5 pendulous ovules in each locule; style slender, exserted, shortly pubescent, stigmatic club entirely bifid but usually cohering except at apex
  • Fruit baccate, globose; calyx lobes eventually deciduous
  • Seeds pendulous, somewhat compressed, with a thin testa
  • x = 11 (1 report)

Nomenclature:

  • Feretia Delile
    • Delile: 92 (1834)
    • Hooker: 95 (1873)
    • Hiern: 115 (1877)
    • Bridson & Verdcourt: 696 (1988)

Distribution & Notes:

  • Global: Species 2, tropical Africa
  • Southern Africa: Species 1: Feretia aeruginescens Stapf, Namibia

References:

  • BRIDSON, D.M. & VERDCOURT, B. 1988. Flora of tropical East Africa. Rubiaceae (part 2)
  • DELILE, A.R. 1834. Feretia. Annales des Sciences Naturelles, Paris, sér. 2, 20
  • HIERN, W.P. 1877. Rubiaceae. Flora of tropical Africa 3
  • HOOKER, J.D. 1873. Rubiaceae. In G. Bentham & J.D. Hooker, Genera plantarum 2. L. Reeve, London