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

Apiaceae - Apioideae - Stoibrax Raf.

Description :

  • Annual decumbent herbs, glabrous
  • Leaves 2- or 3-pinnate, with many filiform, glabrous segments
  • Flowers in compound umbels, pedunculate, with 10 to 16 rays; involucral bracts pinnatifid
  • Flowers very small
  • Petals white
  • Styles very short
  • Fruit broader than long, distinctly 2-lobed (didymous), minutely tuberculate; mericarps ovate, with 5 longitudinal ribs on each
  • x = 10 (1 report)

Nomenclature:

  • Stoibrax Raf.
    • Rafinesque: 52 (1840)
    • Sonder: 538 (1862), under Ptychotis
    • Burtt: 145 (1989)
    • Burtt: 250 (1991)
    • Pimenov & Leonov: 108 (1993)

Distribution & Notes:

  • Global : Species 5, Europe and Africa
  • Southern Africa : Species 1: Stoibrax capense (Lam.) B.L.Burtt (= Sonderina didyma (Sond.) Adamson), Namaqualand (Northern Cape) to Cape Agulhas (Western Cape)

References:

  • BURTT, B.L. 1989. The adoption of Stoibrax for Tragiopsis and Brachyapium ( Umbelliferae ) and its N-S African disjunction. In K. Tan, The Davis & Hedge Festschrift 145. Edinburgh University Press, Edinburgh
  • 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
  • RAFINESQUE, C.S. 1840. The good book . Eleutherium of knowledge, Philadelphia
  • SONDER, W. 1862. Umbelliferae . Flora capensis 2