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

Apiaceae - Apioideae - Polemannia Eckl. & Zeyh.

Description :

  • Shrubs or small trees, glabrous
  • Leaves palmately 3-foliolate; leaflets obovate, cuneate, 3-lobed and sometimes serrate, with distinct intramarginal nerve
  • Flowers in compound umbels or umbels in panicles on leafless branches; involucres of few bracts
  • Calyx with persistent, ovate lobes
  • Petals elliptic, entire, inflexed at apex, keeled on inner face
  • Disc conical
  • Stamens slightly longer than petals; filaments terete, anthers elliptic
  • Styles very small
  • Fruit oblong or ovate, flattened; mericarps dorsally flattened, oblong, flat on face, convex on 3-nerved back, winged on margins; oil ducts 6, 2 on inner face; carpophore bipartite
  • Seeds planoconvex in cross section

Nomenclature:

  • Polemannia Eckl. & Zeyh.
    • Ecklon & Zeyher: 347 (1837), name conserved
    • Sonder: 550 (1862)
    • Hilliard & Burtt: 225 (1986)
    • Burtt: 242 (1991)
    • Pimenov & Leonov: 92 (1993)

Distribution & Notes:

  • Southern Africa : Species 3, E Free State, high-lying areas of KwaZulu-Natal, Lesotho, and Eastern Cape

References:

  • BURTT, B.L. 1991. Umbelliferae of southern Africa: an introduction and annotated checklist. Edinburgh Journal of Botany 48
  • ECKLON, C.F. & ZEYHER, C. 1837. Enumeratio plantarum africae australis extratropicae 3. Published by the author
  • HILLIARD, O.M. & BURTT, B.L. 1986. Notes on some plants of southern Africa chiefly from Natal: XII. Notes from the Royal Botanic Garden Edinburgh 43
  • PIMENOV, M.G. & LEONOV, M.V. 1993. The genera of the Umbelliferae . A nomenclator . Royal Botanic Gardens, Kew
  • SONDER, W. 1862. Umbelliferae . Flora capensis 2