e-Key <span id="jodit_selection_marker_1701781257100_8547384640309097" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Sisym<span id="jodit_selection_marker_1701781257100_4546248030385889" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>brium
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Brassicaceae - Sisymbrieae - Sisymbrium L.

Description:

  • Annual or biennial herbs or perennial suffrutices, with simple or branched hairs
  • Leaves entire, lobed, pinnatifid or pinnatisect
  • Inflorescences terminal, ebracteate racemes
  • Sepals spreading, not or slightly saccate at base
  • Petals clawed, generally yellow
  • Stamens 6; filaments without appendages
  • Nectaries: lateral ones ring-shaped, joining median ribbon-like glands
  • Fruit a linear, subterete siliqua; valves convex, 1-3-nerved, glabrous or hairy
  • Seeds in 1 or 2 rows, ± oblong; cotyledons incumbent or cotyledons longitudinally folded around radicle
  • x = 7 (aneuploids, high polyploidy)

Nomenclature:

  • Sisymbrium L.
    • Linnaeus: 657 (1753)
    • Linnaeus: 296 (1754)
    • Sonder: 24 (1860)
    • Schulz: 46 (1924)
    • Adamson: 423 (1950)
    • Phillips: 349 (1951)
    • Exell: 118 (1960)
    • Ball: 264 (1964)
    • Schreiber: P48:10-7 (1966)
    • Marais: 110 (1970)
    • Jonsell: 62 (1982)
    • Jonsell: 73 (1993)

Distribution & Notes:

  • Global: Species 80, Eurasia, Mediterranean, Africa, South America
  • Southern Africa: Species 8: 6 indigenous and 2 naturalised, widespread

References:

  • ADAMSON, R.S. 1950. Cruciferae Juss. In R.S. Adamson & T.M. Salter, Flora of the Cape Peninsula. Juta, Cape Town
  • BALL, P.W. 1964. Cruciferae. Alyssum [and other genera]. Flora europaea 1
  • EXELL, A.W. 1960. Cruciferae. Flora zambesiaca 1
  • JONSELL, B. 1982. Cruciferae. Flora of tropical East Africa, Cruciferae
  • JONSELL, B. 1993. Brassicaceae (Cruciferae). Flora of Somalia 1
  • LINNAEUS, C. 1753. Species plantarum. Laurentius Salvius, Stockholm
  • LINNAEUS, C. 1754. Genera plantarum, edn 5. Laurentius Salvius, Stockholm
  • MARAIS, W. 1970. Cruciferae. Flora of southern Africa 13
  • PHILLIPS, E.P. 1951. The genera of South African flowering plants, edn 2. Memoirs of the Botanical Survey of South Africa No. 25
  • SCHREIBER, A. 1966. Brassicaceae. Prodromus einer Flora von Südwestafrika 48
  • SCHULZ, O.E. 1924. Cruciferae. Das Pflanzenreich 4, 105, Heft 86
  • SONDER, O.W. 1860. Crucifereae. Flora capensis 1