e-Key <span id="jodit_selection_marker_1709298764645_4339496786052093" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Eu<span id="jodit_selection_marker_1709298764645_7354544859820875" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ryops
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Senecioneae - Euryops (Cass.) Cass.

Description:

  • Shrubs or shrublets, seldom perennial or annual herbs
  • Leaves alternate, sessile, lax or closely set, sometimes appearing rosulate or fascicled, entire, serrate-dentate or pinnatifid
  • Capitula radiate or discoid, lateral or pseudoterminal on unbranched peduncles
  • Involucre ecalyculate, hemispherical, campanulate, cyathiform or urceolate; bracts in 1 or ± 2 rows, connate to various degrees, rarely free
  • Receptacle flat or convex, honeycombed or rarely smooth, epaleate
  • Ray florets rarely 0, female, fertile; tube cylindrical; lamina yellow, orange-coloured or red to coppery on lower surface
  • Staminodes occasionally present
  • Disc florets bisexual, fertile or rarely functionally male; corolla yellow, tubular to campanulate, (3-)5-lobed
  • Stamens 5; anthers linear, ecalcarate and ecaudate to subacute at base; with flat, apical appendage; endothecial tissue radial
  • Style terete or linear, bifid or sometimes simple; style branches linear, truncate, penicillate at apex
  • Cypselas ellipsoid, glabrous or pubescent, ribbed or smooth or sometimes tuberculate or muricate or papillate
  • Pappus of few to many caducous bristles or 0; bristles flexuous, barbellate
  • x = 10 (polyploidy, B-chromosomes)

Nomenclature:

  • Euryops (Cass.) Cass.
    • Cassini: 49 (1820)
    • Harvey: 408 (1865)
    • Nordenstam: 36 (1968)
    • Bremer: 501 (1994)
  • Ruckeria DC.
    • Candolle: 483 (1838).
  • Lasiocoma Bolus
    • Bolus: 390 (1906).
  • Thodaya Compton
    • Compton: 323 (1931).
  • Lysichlamys Compton
    • Compton: 118 (1943)

Distribution & Notes:

  • Global: Species 97, Africa, 1 extending to the Arabian Peninsula and Socotra
  • Southern Africa: Species 89, widespread

References:

  • BOLUS, H. 1906. Contributions to the African Flora. Transactions of the South African Philosophical Society 16
  • BREMER, K. 1994. Asteraceae, cladistics & classification. Timber Press, Portland, Oregon
  • CASSINI, A.H.G. DE. 1820. Dictionnaire des sciences naturelles 16
  • CANDOLLE, A.P. DE. 1838. Compositae. Prodromus 6. Treuttel & Würtz, Paris
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • COMPTON, R.H. 1931. The flora of the Whitehill District. Transactions of the Royal Society of South Africa 19
  • COMPTON, R.H. 1943. Lysichlamys. In W.F. Barker, R.H. Compton, F.M. Leighton, R.A. Dyer & C.A. Smith, Plantae novae africanae 19. Journal of South African Botany 9
  • NORDENSTAM, B. 1968. The genus Euryops. Part 1. Taxonomy. Opera Botanica 20