e-Key <span id="jodit_selection_marker_1710142183816_9588744604829336" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Gal<span id="jodit_selection_marker_1710142183816_014767790675993098" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>eomma
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Gnaphalieae - Galeomma Rauschert

Description:

  • Prostrate woolly annual herbs
  • Leaves alternate, spathulate or oblong-spathulate, sessile, tomentose (hair type B), eglandular, margins flat, entire
  • Capitula discoid or disciform, in terminal glomerules embedded in wool
  • Involucral bracts in few rows, tip of lamina very acute to acuminate, whitish or pale straw-coloured; stereome divided
  • Receptacle honeycombed, flat, epaleate
  • Flowers 11-125, female, if present, outnumbering bisexual, corolla yellow, with hairs on backs of erect lobes
  • Anthers ecalcarate, caudate with short tails; apical appendage flat, as wide as thecae; endothecial tissue polarised
  • Style bifid; style branches truncate and penicillate with obtuse sweeping hairs apically; stigmatic surface separated
  • Cypselas oblong, with common duplex hairs, myxogenic or not
  • Pappus bristles either very few, nude below with apical tuft of much inflated cells, or many, evenly barbed with ± patent cilia tending to intermingle

Nomenclature:

  • Galeomma Rauschert
    • Rauschert: 557 (1982)
    • Hilliard: 13 (1983)
    • Anderberg: 135 (1991)
    • Anderberg: 357 (1994)
  • Eriosphaera Less.
    • Lessing: 270 (1832)
    • Harvey: t. 149 (1863)
    • Harvey: 264 (1865)
    • Bentham: 321 (1873)
    • Hilliard & Burtt: 211 (1981)

Distribution & Notes:

  • Southern Africa: Species 2, endemic: Galeomma oculus-cati (L.f.) Rauschert and G. stenolepis (S.Moore) Hilliard, Namibia, Botswana and Northern 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
  • HARVEY, W.H. 1863. Thesaurus capensis 2. Hodges, Smith & Co., Dublin
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • HILLIARD, O.M. 1983. Asteraceae (Compositae), Tribe Inuleae subtribe Gnaphaliinae (first part). Flora of southern Africa 33, 7, 2
  • HILLIARD, O.M. & BURTT, B.L. 1981. Some generic concepts in Compositae - Gnaphaliinae. Botanical Journal of the Linnean Society 82
  • LESSING, C.F. 1832. Synopsis generum Compositarum. Duncker & Humblot, Berlin
  • RAUSCHERT, S. 1982. Nomina nova generica et combinationes novae Spermatophytorum et Pteridophytorum. Taxon 31