Cultivar group

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Under the ICNCP, a cultivar group is a gathering of cultivars. There may be several reasons to designate a group, for example a group of yellow-flowering cultivars, a group of cultivars with variegated leaves, a group of cultivars resistant to a particular disease, etc. A cultivar may belong to more than one Group (it may be yellow-flowering, with variegated leaves and resistant to the disease at one and the same time).

ICNCP Art 9 Ex 10: "Solanum tuberosum 'Desiree' may be designated part of a Maincrop Group and a Redskin Group since both such designations may be practical to buyers of potatoes ..."

Another reason for designating a group is when a well-known plant loses its taxonomic status (e.g. it ceases to be a "good" species or subspecies and becomes a synonym). Its botanical epithet may become a "Group epithet". For example:

  • Tetradium hupehense is sometimes regarded as being part of
  • Tetradium daniellii and the plants in question may be referred to as
  • Tetradium daniellii Hupehense Group.

For the technical details of how to write a group name see cultivar.

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