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

Asteraceae - Mutisieae - Perdicium L.

Description :

  • Perennial herbs, acaulescent
  • Leaves radical, incised along margin, glabrous or woolly
  • Capitula disciform, solitary, on short scapes ± equalling leaves
  • Involucre with scales imbricate, lanceolate
  • Marginal florets female, in 1 row; corolla white, bilabiate, outer lip 3-toothed, inner shorter, bipartite
  • Disc florets bisexual; corolla bilabiate, of same colour as marginal florets
  • Anthers tailed
  • Style shortly 2-lobed; branches scarcely divergent, semiterete, obtuse, pubescent
  • Cypselas ovate-oblong, rostrate
  • Pappus of scabrous bristles in many rows, falling with epigynous disc or annulus

Nomenclature:

  • Perdicium L.
    • Linnaeus: 22 (1760)
    • Harvey: 523 (1865)
    • Bremer: 104 (1994)

Distribution & Notes:

  • Southern Africa : Species 2, endemic: Perdicium capense L. and P. leiocarpa DC., Western Cape, from the Clanwilliam area to Worcester

References:

  • BREMER, K. 1994. Asteraceae , cladistics & classification . Timber Press, Portland, Oregon
  • HARVEY, W.H. 1865. Compositae . Flora capensis 3
  • LINNAEUS, C. VON. 1760. Plantae rariores africanae . Laurentius Salvius, Stockholm