e-Key <span id="jodit_selection_marker_1709025564889_6815466661269125" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - De<span id="jodit_selection_marker_1709025564889_3282436998245073" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>verra
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Apiaceae - Apioideae - Deverra DC.

Description:

  • Rigid perennial herbs or broom-like undershrubs
  • Leaves aborted or radical and tripinnately decompound; cauline leaves few or scale-like
  • Flowers in compound umbels; involucres of few bracts or 0
  • Calyx obsolete
  • Petals ovate, inflexed at apex; keeled on face
  • Disc conical, dilated at base with undulate margin
  • Stamens longer than petals; filaments linear; anthers oblong
  • Ovary pilose or scabrid; styles short, thick
  • Fruit elliptic, slightly laterally compressed, pilose, scabrid or scaly; mericarps subterete, with primary veins distinct, flat on face; oil ducts 6, 4 in furrows, 2 on face; carpophore 2-partite
  • Seeds flat on face, convex on back

Nomenclature:

  • Deverra DC.
    • Candolle: 45 (1829)
    • Sonder: 548 (1862)
    • Schreiber: 4 (1967)
    • Cannon: 582 (1978)
    • Pfisterer & Podlech: 571 (1986)
    • Burtt: 205 (1991)
    • Pimenov & Leonov: 44 (1993)

Distribution & Notes:

  • Global: Species 7, North Africa to Arabian Peninsula and southern Africa
  • Southern Africa: Species 2, widespread except in KwaZulu-Natal

References:

  • BURTT, B.L. 1991. Umbelliferae of southern Africa: an introduction and annotated checklist. Edinburgh Journal of Botany 48
  • CANDOLLE, A.P. DE. 1829. Collection de mémoires 5. Ombellifères. Treuttel & Würtz, Paris
  • CANNON, J.F.M. 1978. Umbelliferae. Flora zambesiaca 4
  • PFISTERER, R. & PODLECH, D. 1986. Revision der Gattung Deverra DC. (Umbelliferae). Mitteilungen der Botanischen Staatssammlung München 22
  • PIMENOV, M.G. & LEONOV, M.V. 1993. The genera of the Umbelliferae. A nomenclator. Royal Botanic Gardens, Kew
  • SCHREIBER, A. 1967. Apiaceae. Prodromus einer Flora von Südwestafrika 103
  • SONDER, W. 1862. Umbelliferae. Flora capensis 2