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

GYMNOSPERM - PINOPSIDA - Cupressaceae

Compiled by H.F. Glen

Description:

  • Monoecious or occasionally dioecious, evergreen trees or shrubs; wood containing resin
  • Leaves usually of two types, in juvenile form often needle-like, spirally or subspirally arranged and spreading, in adult form usually small, scale-like, whorled or decussate, ± appressed and completely hiding the stem
  • Male cones catkin-like, small, mostly terminal and solitary; scales few to many, decussate or in whorls of 3, bearing at base on abaxial surface 2-10 pollen sacs; pollen grains without wings or air-bladders
  • Female cones with enlarged leathery or woody, valvate or imbricate and finally gaping scales, rarely fleshy and berry-like (*Juniperus); scales few to many, all or most fertile, bearing 1-20 erect ovules at base on adaxial surface. Seeds free, rarely united in a stone, mostly winged; testa crustaceous to woody
  • Cotyledons 2, rarely 3-6.

Nomenclature:

  • Cupressaceae
    • Stapf: 14 (1933)
    • Marsh: 43 (1966), the basis of this account
    • Page: 302 (1990)
    • Von Breitenbach & Von Breitenbach: 179 (1992)

Distribution & Notes:

  • Global: Genera ± 16, species ± 115, cosmopolitan
  • Southern Africa: Genera 3 (2 exotic), species 5 (2 exotic)

References:

  • MARSH, J.A. 1966. Cupressaceae. Flora of southern Africa 1
  • PAGE, C.N. 1990. Cupressaceae. In K. Kubitzki, The families and genera of vascular plants 1. Springer-Verlag, Berlin
  • STAPF, O. 1933. Cupressaceae. Flora capensis 5, 2 (Supplement)
  • VON BREITENBACH, F. & VON BREITENBACH, J. 1992. Cupressaceae. Tree atlas of southern Africa section 1. Dendrological Foundation, Pretoria

Resources:

  • Cupressaceae genera:
*Cupressus *Juniperus Widdringtonia