e-Key <span id="jodit_selection_marker_1709623437333_4794389487878594" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Fa<span id="jodit_selection_marker_1709623437333_2113941014661318" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>dogia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Rubiaceae - Antirheoideae - Vanguerieae - Fadogia Schweinf.

Description:

  • Perennial herbs, usually with several stems from a woody rootstock, shrublets or shrubs
  • Leaves 3-5-nate, rarely opposite, shortly petiolate, sometimes pale on undersurface; stipules small, connate at base, often villous within, persistent, 3-5-tailed
  • Flowers usually few in pedunculate cymes, rarely solitary; buds obtuse or shortly apiculate
  • Calyx 5-9-lobed, or -toothed; tube shallowly cup-shaped; limb truncate
  • Corolla 5(6)-lobed, white or greenish white; lobes ovate, usually acuminate, as long as or longer than tube, often with mucro behind apex, papillate on inner surface; tube cylindric or campanulate, glabrous or hairy outside, with ring of deflexed hairs inside, pubescent to densely hairy above it, densely hairy or less often glabrous at throat
  • Stamens 5(6), arising in corolla mouth, shortly exserted; filaments linear, shorter than anthers; anthers oblong, sometimes with fleshy apiculus, sometimes sagittate
  • Disc annular
  • Ovary 3- or 4(-9)-locular, with a solitary pendulous ovule in each locule; style terete, shortly exserted; stigma subglobose or shortly cylindric, often truncate at base, shallowly 3-5-lobed, furrowed, sometimes ribbed
  • Fruit usually a globose drupe, sometimes oblique, usually crowned with remains of calyx limb, with 1-3(-9) pyrenes

Nomenclature:

  • Fadogia Schweinf.
    • Schweinfurth: 47 (1868)
    • Robyns: 41 (1928)
    • Phillips: 733 (1951)
    • Verdcourt & Bridson: 786 (1991)
    • Bridson: 265 (1998)

Distribution & Notes:

  • Global: Species ± 45, tropical Africa
  • Southern Africa: Species 3, Namibia, Northern Province, Gauteng, Mpumalanga and Swaziland

References:

  • BRIDSON, D.M. 1998. Rubiaceae. Flora zambesiaca 5,2
  • PHILLIPS, E.P. 1951. The genera of South African flowering plants. Memoirs of the Botanical Survey of South Africa No. 25
  • ROBYNS,W. 1928. Monographieae Vangueriae. Bulletin du Jardin Botanique de l'Etat, à Bruxelles 11
  • SCHWEINFURTH, G.A. 1868. Reliquiae Kotschyanae (Botanische Zeitung 27: 177-180.). G. Reimer, Berlin
  • VERDCOURT, B. & BRIDSON, D.M. 1991. Flora of tropical East Africa. Rubiaceae (part 3)