× Cattlianthe

× Cattlianthe, abbreviated Ctt. in the horticultural trade, is the orchid nothogenus for intergeneric hybrid greges containing at least one ancestor species from each of the two ancestral genera Cattleya and Guarianthe, and from no other genera.[1]

× Cattlianthe
Ctt. Hazel Boyd (formerly Slc. Hazel Boyd)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Epidendreae
Subtribe: Laeliinae
Genus: × Cattlianthe
J.M.H.Shaw

Since orchids in Guarianthe were placed in Cattleya before 2003, many orchids in × Cattlianthe were previously placed directly in Cattleya.

Notable hybrids

Notable hybrids, known as greges, include the following:

  • Ctt. Jewel Box (formerly Slc. Jewel Box), a hybrid cross of Guarianthe aurantiaca and Cattleya Anzac.[2] Its bifoliate pseudobulbs are about 4" tall and grow along a horizontal rhizome. A terminal inflorescence is produced from a sheath at the tip of newly matured pseudobulbs. Ctt. Jewel Box averages 4.8 flowers per inflorescence and 9.2 cm (3.6 inches) natural spread.[3] Flowers are slightly cupped, and vary from magenta to deep red, depending on growth conditions (light/temp) during bud development.[4]

References
  1. http://www.rhs.org.uk/RHSWebsite/files/f5/f56e5ba8-4896-4949-a593-d3e477f59804.pdf%5B%5D
  2. International Orchid Register
  3. OrchidWiz: Ctt. Jewel Box Archived 2012-11-30 at the Wayback Machine
  4. Hachadourian, Marc (2019-09-03). Orchid Modern: Living and Designing with the World's Most Elegant Houseplants. Timber Press. ISBN 978-1-60469-920-3.
  5. "The International Orchid Register / RHS Gardening".
  6. "The International Orchid Register / RHS Gardening".
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