e-Key <span id="jodit_selection_marker_1711451288404_06329599768316707" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Nico<span id="jodit_selection_marker_1711451288404_8803344550669963" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>lasia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Plucheeae - Nicolasia S.Moore

Description:

  • Shrublets, subshrubs or annuals
  • Leaves alternate, narrow, entire to dentate, generally decurrent, sometimes strongly 1-nerved on lower surface and with thickened margins, sparsely hairy
  • Capitula disciform, pedunculate, solitary at ends of branches or few together
  • Involucre ovoid or campanulate; bracts in 5-7 rows, sometimes apiculate, glandular
  • Receptacle flat, epaleate
  • Marginal florets female; corolla filiform, 3-lobed
  • Disc florets bisexual, tubular, 5-lobed
  • Anthers calcarate, ecaudate, cells of filament collar flattened; endothecial tissue radial
  • Style bifid; style branches with obtuse sweeping hairs reaching below the furcation
  • Cypselas stout, ellipsoid, with straight hairs
  • Pappus of few free, barbellate, capillary bristles in 1 row

Nomenclature:

  • Nicolasia S.Moore
    • Moore: 458 (1900)
    • Merxmüller: 1 (1954)
    • Merxmüller: 113 (1967)
    • Anderberg: 161 (1991)
    • Anderberg: 301 (1994)

Distribution & Notes:

  • Global: Species 7, Africa
  • Southern Africa: Species 6, mainly northern areas of Namibia, Botswana, Northern Province and North-West

References:

  • ANDERBERG, A.A. 1991. Taxonomy and phylogeny of the tribe Plucheeae (Asteraceae). Plant Systematics and Evolution 176
  • ANDERBERG, A.A. 1994. Tribes Inuleae, Plucheeae, Gnaphalieae. In K. Bremer, Asteraceae, cladistics and classification. Timber Press, Portland, Oregon
  • MERXMÜLLER, H. 1954. Compositen-Studien 5: Revision der Gattung Nicolasia S.Moore. Mitteilungen der Botanischen Staatssammlung München 2
  • MERXMÜLLER, H. 1967. Asteraceae. Prodromus einer Flora von Südwestafrika 139
  • MOORE, S. LE M. 1900. Alabastra diversa - Part 7. Journal of Botany 38