e-Key <span id="jodit_selection_marker_1711451551672_10468843393285421" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Nol<span id="jodit_selection_marker_1711451551673_4334919855639623" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>letia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Astereae - Nolletia Cass.

Description:

  • Shrubs or subshrubs
  • Leaves alternate, entire, linear or subulate, often rigidly ciliate
  • Capitula disciform, medium-sized or small, solitary or laxly corymbose, on long, terminal peduncles
  • Involucre campanulate; bracts in 3 rows, sometimes ribbed, with membranous margins
  • Receptacle flat, epaleate, sometimes honeycombed
  • Marginal florets female, in 1 row, filiform, minutely 2- or 3-toothed at apex, yellow
  • Style filiform, with linear branches
  • Disc florets bisexual, fertile or sterile, tubular below, somewhat campanulate above, 5-lobed, yellow
  • Anthers ecalcarate and ecaudate; with lanceolate, apical appendage
  • Style oblong, truncate, penicillate with deltoid apical appendage and conspicuous sweeping hairs
  • Cypselas compressed, obovate or linear-oblong, margined, pubescent
  • Pappus of scabrid bristles in 1 row
  • x = 9 (1 report)

Nomenclature:

  • Nolletia Cass.
    • Cassini: 479 (1825)
    • Merxmüller: 118 (1967)
    • Hilliard: 96 (1977)
    • Bremer: 427 (1994)
  • Leptothamnus DC.
    • Candolle: 367 (1836)
    • Harvey: 111 (1865)

Distribution & Notes:

  • Global: Species ± 10, Africa
  • Southern Africa: Species 8, widespread but absent from Western Cape

References:

  • BREMER, K. 1994. Asteraceae, cladistics & classification. Timber Press, Portland, Oregon
  • CANDOLLE, A.P. DE. 1836. Compositae. Prodromus 5. Treuttel & Würtz, Paris
  • CASSINI, A.H.G. DE. 1825. Dictionnaire des sciences naturelles 37. Ed. F. Cuvier. edn 2. Le Normant, Paris
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • HILLIARD, O.M. 1977. Compositae in Natal. University of Natal Press, Pietermaritzburg
  • MERXMÜLLER, H. 1967. Asteraceae. Prodromus einer Flora von Südwestafrika 139