e-Key <span id="jodit_selection_marker_1709032997180_7243152712967529" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Diplolo<span id="jodit_selection_marker_1709032997180_49908876707560723" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>phium
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Apiaceae - Apioideae - Diplolophium Turcz.

Description:

  • Robust, erect perennial herbs with solid, finely grooved stems
  • Leaves with large sheathing bases, usually tripinnate or multifid, with ultimate lobes filiform or elliptic
  • Flowers usually in many-rayed umbels; involucres conspicuous, of few to many large, entire bracts
  • Calyx with 5 small or rudimentary teeth
  • Petals inflexed at apex, hairy on outer surface
  • Fruit semiterete, with longitudinal ridges, covered with bristly hairs; mericarps convex on back, usually slightly winged on margins; oil ducts conspicuous, usually 6, 1 in each furrow, 2 or 4 in commissural face; carpophore divided
  • Seeds oblong

Nomenclature:

  • Diplolophium Turcz.
    • Turczaninow: 173 (1847)
    • Cannon: 600 (1978)
    • Burtt: 206 (1991)
    • Pimenov & Leonov: 46 (1993)

Distribution & Notes:

  • Global: Species 5, tropical Africa
  • Southern Africa: Species 1: Diplolophium swynnertonii (Baker f.) Norman, Northern Province (Venda)

References:

  • BURTT, B.L. 1991. Umbelliferae of southern Africa: an introduction and annotated checklist. Edinburgh Journal of Botany 48
  • CANNON, J.F.M. 1978. Umbelliferae. Flora zambesiaca 4
  • PIMENOV, M.G. & LEONOV, M.V. 1993. The genera of the Umbelliferae. A nomenclator. Royal Botanic Gardens, Kew
  • TURCZANINOW, N.S. 1847. Diplolophium. Bulletin de la Société des Naturalistes de Moscou 20(1)