e-Key v<span id="jodit_selection_marker_1709019866448_8546116469576708" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>3 - *Cyclosp<span id="jodit_selection_marker_1709019866448_13259325959090718" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ermum
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Apiaceae - Apioideae - *Cyclospermum Lag.

Description:

  • Annual herbs
  • Leaves 3- or 4-pinnate, with many filiform, glabrous segments; base sheathing
  • Flowers in compound umbels, sessile to pedunculate; involucels 0
  • Calyx teeth obsolete
  • Petals ovate, concave, entire or slightly emarginate, inflexed at apex, white or pale pink
  • Styles very short
  • Fruit broadly elliptic to rounded; mericarps each with 5 longitudinal ribs; oil ducts minute, in furrows and 2 on face

Nomenclature:

  • *Cyclospermum Lag.
    • Lagasca y Segura: 101 (1821), name conserved
    • Cannon: 582 (1978), as Apium
    • Burtt: 507 (1989) as Ciclospermum
    • Burtt: 202 (1991) as Ciclospermum
    • Brummitt: 692 (1993)

Distribution & Notes:

  • Global: Caribbean and central America
  • Southern Africa: Species 1: *Cyclospermum leptophyllum (Pers.) Sprague, widespread, a cosmopolitan weed, introduced

References:

  • BRUMMITT, R.K. 1993. Report of the Committee for Spermatophyta. Taxon 42
  • BURTT, B.L. 1989. Proposals to conserve Ciclospermum Lag. Taxon 38
  • 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
  • LAGASCA Y SEGURA, M. 1821. Amenidades naturales de las Españas 1(2). Ibarra, Madrid

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