e-Key v<span id="jodit_selection_marker_1701778997184_9535585253628516" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>3 - *Rap<span id="jodit_selection_marker_1701778997184_3881805954517359" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>hanus
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Brassicaceae - Brassiceae - *Raphanus L.

Description:

  • Annual, biennial or short-lived perennial herbs, with simple hairs
  • Leaves basally lyrate-pinnatifid; upper leaves small
  • Inflorescences terminal, ebracteate racemes
  • Sepals erect, inner two saccate
  • Petals long-clawed, white, purple or yellow, generally dark-veined
  • Stamens 6; filaments without appendages
  • Nectaries 6; 2 median glands tongue-shaped; 4 lateral glands small
  • Fruit a transversely articulate siliqua; lower segment small, sterile, stalk-like; upper segment terete, straight-sided or moniliform, ribbed, indehiscent, breaking into 1-seeded portions or not; beak thin, seedless
  • Seeds ovoid, brown; cotyledons folded longitudinally around incumbent radicle
  • x = 9

Nomenclature:

  • *Raphanus L.
    • Linnaeus: 669 (1753)
    • Linnaeus: 300 (1754)
    • Schulz: 194 (1919)
    • Phillips: 350 (1951)
    • Exell: 193 (1960)
    • Chater: 345 (1964)
    • Marais: 14 (1970)
    • Jonsell: 11 (1982)

Distribution & Notes:

  • Global: Species ± 8, western and central Europe
  • Southern Africa: Species 2: *Raphanus raphanistrum L. and *R. sativus L., naturalised, widespread

References:

  • CHATER, A.O. 1964. Cruciferae. Capsella, Sinapis, Raphanus. Flora europaea 1
  • EXELL, A.W. 1960. Cruciferae. Flora zambesiaca 1
  • JONSELL, B. 1982. Cruciferae. Flora of tropical East Africa, Cruciferae
  • 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
  • SCHULZ, O.E. 1919. Cruciferae. Das Pflanzenreich 4, 105, Heft 70

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