e-Key v3 - Sonderina
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Apiaceae - Apioideae - Sonderina H.Wolff

Description :

  • Annual herbs
  • Leaves 1- or 2-pinnatisect or subtripinnate, with narrow segments
  • Flowers in compound umbels; involucres of a few, narrow bracts
  • Calyx of small or obsolete teeth
  • Petals obovate or subquadrate, with bifid or emarginate, inflexed tip, keeled on inner face
  • Disc cushion-like
  • Stamens longer than petals; filaments filiform; anthers ovate-oblong
  • Styles slender, ± as long as ovary; stigmas subcapitate
  • Fruit slightly flattened, ovate or oblong, minutely scabrid, or hispid; mericarps with 5 ribs, flat on face, or channelled, convex on back; oil ducts 6, 1 in each furrow and 2 on face; carpophore bipartite
  • Seeds terete
  • x = 9 (1 report)

Nomenclature:

  • Sonderina H.Wolff
    • Wolff: 92 (1927)
    • Adamson: 620 (1950)
    • Burtt: 248 (1991)
    • Pimenov & Leonov: 106 (1993)

Distribution & Notes:

  • Southern Africa : Species 4, South Africa; KwaZulu-Natal, Northern, Western and Eastern Cape, but mainly western area

References:

  • ADAMSON, R.S. 1950. Umbelliferae . In R.S. Adamson & T.M. Salter, Flora of the Cape Peninsula . Juta, Cape Town
  • BURTT, B.L. 1991. Umbelliferae of southern Africa: an introduction and annotated checklist. Edinburgh Journal of Botany 48
  • PIMENOV, M.G. & LEONOV, M.V. 1993. The genera of the Umbelliferae . A nomenclator . Royal Botanic Gardens, Kew
  • WOLFF, H. 1927. Umbelliferae . Das Pflanzenreich IV. 228 (Heft 90)