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

Rubiaceae - Antirheoideae - Vanguerieae - Vangueria Comm. ex Juss.

Description :

  • Shrubs or small trees, with glabrous to densely velvety foliage
  • Leaves paired, shortly petiolate, often quite large, elliptic, oblong, or somewhat rounded; stipules broad, connate at base, apex with linear or subulate appendage, villous within
  • Flowers shortly petiolate; many together in axillary racemes or cymes; bracteate
  • Calyx glabrous, or hairy, often persistent, 5-lobed; lobes ovate, longer than tube; tube saucer-shaped
  • Corolla 5-lobed, yellow or greenish yellow, glabrous or hairy; lobes narrowly triangular, mostly reflexed; tube cylindric or campanulate, villous in throat, with a ring of deflexed hairs inside
  • Stamens 5, arising in corolla mouth; shortly exserted; filaments linear, shorter than anthers; anthers oblong or ovate, often apiculate
  • Ovary 5-locular, with a single pendulous ovule in each locule; style terete, sometimes swollen at base, shortly exserted; stigma thickened, cylindric, furrowed, minutely to distinctly 5-lobed at apex
  • Fruit large, indehiscent, ± globose, often lobed or angular in dry state, usually 5-locular with 5 pyrenes, sometimes with persistent calyx, often edible
  • x = 11 (aneuploids, polyploidy)

Nomenclature:

  • Vangueria Comm. ex Juss.
    • Jussieu: 206 (1789)
    • Sonder: 13 (1865)
    • Hooker: 111 (1873)
    • Hiern: 146 (1877)
    • Robyns: 273 (1928)
    • Phillips: 729 (1951)
    • Verdcourt & Bridson: 848 (1991)
    • Bridson: 245 (1998)
  • Tapiphyllum Robyns in part, as to T. parvifolium (Sond.) Robyns

Distribution & Notes:

  • Global : Species 27, tropical Africa and Madagascar
  • Southern Africa : Species 5, widespread but absent from Western Cape

References:

  • BRIDSON, D.M. 1998. Rubiaceae . Flora zambesiaca 5,2
  • 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
  • JUSSIEU, A.L. DE. 1789. Genera plantarum . Ziegler, Zürich
  • 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
  • SONDER, O.W. 1865. Rubiaceae . Flora capensis 3
  • VERDCOURT, B. & BRIDSON, D.M. 1991. Flora of tropical East Africa . Rubiaceae (part 3)