e-Key <span id="jodit_selection_marker_1699882764920_7396916874604218" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Trigo<span id="jodit_selection_marker_1699882764920_020257129960545184" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>nella
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Fabaceae - Papilionoideae - Trifolieae - Trigonella L.

Description:

  • Herbs, often strongly scented
  • Leaves pinnately 3-foliolate; stipules adnate to petioles
  • Flowers solitary and sessile, or peduncled in leaf axils, or in heads, or subumbels or short, dense racemes; bracts minute
  • Calyx with campanulate tube; lobes ovate, acuminate, ± as long as tube
  • Petals: vexillum sessile or clawed; wings oblong, eared, clawed; keel shorter than wings, planoconvex, clawed
  • Stamens diadelphous, with vexillary stamen free or connate with others to middle; anthers uniform
  • Ovary sessile or shortly stalked, few- to many-ovuled; style with terminal stigma
  • Pod a straight or rarely falcate legume, usually dehiscent
  • Seeds usually many
  • x = 8 (6, 7, 11) (polyploidy, B-chromosomes)

Nomenclature:

  • Trigonella L.
    • Linnaeus: 776 (1753)
    • Harvey: 161 (1862)
    • Ivimey-Cook: 150 (1968)

Distribution & Notes:

  • Global: Species ± 80, Mediterranean region, central Europe, Africa, Asia to Australia
  • Southern Africa: Species 2, scattered, mainly central, but not extending much into Western Cape

References:

  • HARVEY, W.H. 1862. Leguminosae. Flora capensis 2
  • IVIMEY-COOK, R.B. 1968. Leguminosae. Flora europaea 2
  • LINNAEUS, C. 1753. Species plantarum, edn 1. Laurentius Salvius, Stockholm

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