e-Key <span id="jodit_selection_marker_1710146138890_09781715987516093" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Gar<span id="jodit_selection_marker_1710146138890_23625009704175515" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>uleum
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Calenduleae - Garuleum Cass.

Description:

  • Perennial herbs, shrublets or shrubs, sometimes viscid, scabrid, or pilose
  • Leaves alternate, pinnatifid or toothed, sometimes pungent, sessile
  • Capitula radiate, solitary or corymbose, terminal, pedunculate
  • Involucre hemispherical-campanulate with imbricate bracts in 2 or 3 rows, ovate to linear, usually ciliate, sometimes reflexed and sometimes pungent
  • Receptacle convex, epaleate
  • Ray florets female, fertile; corolla blue, purple, mauve, white or yellow; tube with linear or oblong, 3-toothed lamina up to 3 × its length
  • Style linear, with linear, subacute branches
  • Ray cypselas triquetrous or somewhat compressed with entire or crenate angles, glabrous
  • Pappus 0
  • Disc florets bisexual or functionally male; corolla yellow; tube subcampanulate above, with 5 lanceolate lobes, sometimes hairy on back
  • Anthers ecalcarate, faintly eared at base; with ovate, apical appendage; endothecial tissue polarised
  • Style terete or linear, deeply bifurcate with linear lobes, covered with acute papillae (hairs) to well below point of bifurcation
  • Disc cypselas (develop in 1 species only) obovate or obcordate in outline, flattened, marginally winged with thickened rim, glabrous
  • Pappus 0

Nomenclature:

  • Garuleum Cass.
    • Cassini: 172 (1819)
    • Harvey: 92 (1865)
    • Norlindh: 33 (1943)
    • Nordenstam: 375 (1994)

Distribution & Notes:

  • Southern Africa: Species 8, endemic, widespread but absent from Botswana, Northern Province, North-West and Swaziland

References:

  • CASSINI, A.H.G. DE. 1819. Bulletin de la Société Philomatique de Paris November
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • NORDENSTAM, B. 1994. Tribe Calenduleae. In K. Bremer, Asteraceae, cladistics and classification. Timber Press, Oregon
  • NORLINDH, T. 1943. Studies in the Calenduleae. 1. Monograph of the genera Dimorphotheca, Castalis, Osteospermum, Gibbaria and Chrysanthemoides. Gleerup, Lund