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

Cupressaceae - *Cupressus L.

Description:

  • Trees or large shrubs; branchlets terete or quadrangular, in decussate arrays
  • Leaves opposite, in 4 ranks; adult leaves appressed to divergent, scale-like, rhomboid, free portion of long-shoot leaves up to 4 mm long; abaxial gland present or absent
  • Male cones with 4-10 pairs of sporophylls, each sporophyll with 3-10 pollen sacs
  • Female cones maturing in 1-2 years, generally persisting closed for many years, or until opened by fire, globose or oblong, 10-40 mm in diameter; scales in 3-6 pairs, valvate, peltate, thick and woody, persistent
  • Seeds 5-20 per scale, lenticular or faceted, narrowly 2-winged; cotyledons 2-5
  • x = 11

Nomenclature:

  • *Cupressus L.
    • Linnaeus: 1002 (1753)
    • Linnaeus: 435 (1754)
    • Eckenwalder: 405 (1993)

Distribution & Notes:

  • Global: Species ± 13, warm north temperate regions
  • Southern Africa: Species 1: *Cupressus arizonica Greene, naturalised in Free State and Eastern Cape

References:

  • ECKENWALDER, J.E. 1993. Cupressus. Flora of North America 2
  • LINNAEUS, C. 1753. Species plantarum. Laurentius Salvius, Stockholm
  • LINNAEUS, C. 1754. Genera plantarum, edn 5. Laurentius Salvius, Stockholm