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

Lamiaceae - Nepetoideae - Mentheae - *Cedronella Moench

Description :

  • Perennial herbs, woody at base
  • Leaves digitately 3(-5)-foliolate, thin-textured, toothed
  • Inflorescences dense, of many crowded verticils, lowest verticil often a distance below the rest; verticils densely many-flowered, made up of opposite, much-branched cymes, lower cymes pedunculate; bracts narrow, simple or 3-foliolate; bracteoles linear-filiform
  • Calyx tubular-campanulate, 13-15-nerved, equally 5-toothed; teeth narrowly lanceolate-deltoid, subulate, erect
  • Corolla tube exserted, somewhat widened at throat, glabrous within; upper lip erect, somewhat hooded, 2-fid or emarginate, ± equal in length to the lower; lower lip spreading, 3-fid with median lobe the largest
  • Stamens 4, didynamous, ascending under upper lip or slightly exserted, upper pair longer than lower; anthers 2-thecous; thecae parallel, distinct
  • Style shortly 2-fid; lobes equal
  • Nutlets ovoid, smooth
  • x = 10 (1 report)

Nomenclature:

  • *Cedronella Moench
    • Moench: 411 (1794)
    • Bentham: 405 (1848)
    • Bentham: 1200 (1876)
    • Briquet: 235 (1896)
    • Skan: 333 (1910)
    • Codd: 27 (1985)

Distribution & Notes:

  • Global : Species 1[: Cedronella canariensis (L.) Webb & Berthel], originally from Madeira and the Canary Islands, now a widespread weed
  • Southern Africa : Western Cape, naturalised

References:

  • BENTHAM, G.1848. Labiatae . In A. de Candolle, Prodromus 12. Victor Masson, Paris
  • BENTHAM, G. 1876. Labiatae . In G. Bentham & J.D. Hooker, Genera plantarum 2. Lovell Reeve & Co., Covent Garden
  • BRIQUET, J. 1895-1897. Labiatae . Die natürlichen Pflanzenfamilien 4,3a
  • CODD, L.E. 1985. Lamiaceae . Flora of southern Africa 28
  • MOENCH, C. 1794. Methodus plantas . Nova libraria academiae, Marburg
  • SKAN, S.A. 1910. Labiatae . Flora capensis 5,1