e-Key <span id="jodit_selection_marker_1709287600524_31316294883698204" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Elytrop<span id="jodit_selection_marker_1709287600524_6815975707729118" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>appus
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Gnaphalieae - Elytropappus Cass.

Description:

  • Shrubs or subshrubs, glandular
  • Leaves usually small and ericoid, involute, margins entire, covered with matted hairs
  • Synflorescences in spikes, panicles or globose heads, terminal
  • Capitula discoid, 1-6-flowered
  • Involucral bracts imbricate in few rows, inner scarious, outer sometimes woolly hairy, often leafy
  • Receptacle conical, small, naked
  • Florets tubular, usually inconspicuous, 5-lobed, lobes erect or spreading
  • Anthers apically acuminate, basally tailed
  • Style bifid, branches pencilled at summit
  • Nectary 0
  • Cypselas small, terete or subterete, often with a well-developed annulus, surface glabrous, or short-hairy, with longitudinal or transverse ribs
  • Pappus bristles several, plumose at tip and usually fused in a ring at base

Nomenclature:

  • Elytropappus Cass.
    • Cassini: 199 (1816)
    • Lessing: 342 (1832)
    • Harvey: 273 (1865)
    • Bentham: 323 (1873)
    • Levyns: 89 (1935)
    • Anderberg: 75 (1991)
    • Anderberg: 331 (1994)
  • Cyathopappus Sch.Bip.
    • Schultz 'Bipontius': 27 (183) (1861).
  • Achyrocome Schrank
    • Schrank: 147, 170 (1824)

Distribution & Notes:

  • Southern Africa: Species 8, endemic, centre of distribution in Western Cape, Elytropappus rhinocerotis (L.f.) Less. extending to Northern and Eastern Cape

References:

  • ANDERBERG, A.A. 1991. Taxonomy and phylogeny of the tribe Gnaphalieae (Asteraceae). Opera Botanica 104
  • ANDERBERG, A.A. 1994. Tribes Inuleae, Plucheeae, Gnaphalieae. In K. Bremer, Asteraceae, cladistics and classification. Timber Press, Portland, Oregon
  • BENTHAM, G. 1873. Compositae. In G. Bentham & J.D. Hooker, Genera Plantarum 2. Lovell Reeve & Co., London
  • CASSINI, A.H.G. DE. 1816. Aperçu des genres ou sous-genres nouveaux formés par M. Henri Cassini dans la famille des Synanthérées. Bulletin des sciences de la Société Philomatique de Paris 1
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • LESSING, C.F. 1832. Synopsis generum Compositarum. Duncker & Humblot, Berlin
  • LEVYNS, M.R. 1935. A revision of Elytropappus Cass. Journal of South African Botany 1
  • SCHRANK, F. VON P. VON. 1824. De Plantis Gnaphaloides. Denkschriften der Königlichen Akademie der Wissenschaften zu München 8
  • SCHULTZ, C.H. BIPONTINUS. 1861. Cassiniaceae uniflorae. In Pollichia 18