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

Cunoniaceae - Platylophus D.Don

Description :

  • Small to large trees
  • Leaves petiolate, trifoliolate; leaflets lanceolate, coriaceous, with toothed margin; stipules small, acuminate, free, deciduous
  • Inflorescences long-pedunculate, many-flowered, axillary panicles
  • Calyx 4- or 5-lobed, with short tube adnate to base of ovary; lobes triangular-ovate, persistent
  • Petals 4 or 5, inserted at base of disc, 3-fid or -toothed, shorter than sepals
  • Stamens 8 or 10, inserted on rim of disc
  • Disc thick, saucer-shaped
  • Ovary with 2 collateral ovules below apex of each locule; styles 2, subulate
  • Fruit a turgid capsule, compressed above, with persistent styles
  • Seeds curved

Nomenclature:

  • Platylophus D.Don
    • Don: 92 (1830)
    • Endlicher: 818 (1839)
    • Harvey: 307 (1862)
    • Engler: 99 (1891)
    • Engler: 246 (1928)

Distribution & Notes:

  • Southern Africa : Monotypic: Platylophus trifoliatus D.Don, forests of S Western Cape to Uitenhage in Eastern Cape

References:

  • DON, D. 1830. Platylophus . Edinburgh New Philosophical Journal 9
  • 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