e-Key <span id="jodit_selection_marker_1709018005100_0896533516376734" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Cu<span id="jodit_selection_marker_1709018005100_37680770736249203" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>nonia
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Cunoniaceae - Cunonia L.

Description:

  • Trees or shrubs
  • Leaves petiolate, imparipinnate; leaflets 2- or 3-jugate, lanceolate, obtuse or sometimes shortly acuminate, with serrate margins; stipules large, oblong, united into a spoon-shaped structure around leaf buds
  • Inflorescences dense, spike-like racemes
  • Calyx 5-lobed, with short, open tube; lobes imbricate, persistent
  • Petals 5, oblong, imbricate
  • Stamens 10, inserted with petals; filaments filiform, much longer than petals
  • Disc adnate to ovary
  • Ovary: ovules many, axile, pendulous in 2 rows; styles 2, terete
  • Fruit a 2-horned, 2-locular, coriaceous capsule, opening by 2 valves
  • Seeds ± ovoid, with narrow, membranous wing
  • x = 8 (1 report, polyploidy)

Nomenclature:

  • Cunonia L.
    • Linnaeus: 1025 (1759)
    • Jussieu: 310 (1789)
    • Candolle: 12 (1830)
    • Endlicher: 819 (1839)
    • Harvey: 306 (1862)
    • Engler: 101 (1891)
    • Engler: 250 (1928)
    • Adamson: 440 (1950)

Distribution & Notes:

  • Global: Species ± 17, discontinuous distribution with 16 in New Caledonia and 1 in southern Africa
  • Southern Africa: Species 1: Cunonia capensis L., forests of Western and Eastern Cape to N KwaZulu-Natal

References:

  • ADAMSON, R.S. 1950. Cunoniaceae R.Br. In R.S. Adamson & T.M. Salter, Flora of the Cape Peninsula. Juta, Cape Town
  • CANDOLLE, A.-P. DE. 1830. Saxifragaceae. Prodromus 4. Treuttel & Würtz, Paris
  • ENDLICHER, S.L. 1839. Saxifragaceae suborder Cunonieae. Genera plantarum secundum ordines naturales disposita 2. Beck, Vienna
  • ENGLER, A. 1891. Cunoniaceae. Die natürlichen Pflanzenfamilien III,2a
  • ENGLER, A. 1928. Cunoniaceae. Die natürlichen Pflanzenfamilien edn 2, 18a
  • HARVEY, W.H. 1862. Saxifragaceae. Flora capensis 2
  • JUSSIEU, A.L. DE. 1789. Saxifragae, les Saxifrages. Genera plantarum secundum ordines naturales disposita. Herrisant & Barrois, Paris
  • LINNAEUS, C. 1759. Systema naturae, edn 10. Laurentius Salvius, Stockholm