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Foodplant / pathogen
Cattleya Mosaic virus infects and damages colour-breaked, sometimes malformed flower of Cattleya

Foodplant / pathogen
Cymbidium Mosaic virus infects and damages necrotic spotted leaf of Cattleya

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Comprehensive Description

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Cattleya orchids are among the most familiar orchids in the world. The genus includes roughly 50 known species, all native to the New World tropics, but an enormous number of hybrid forms have been produced as well, both by crossing different Cattleya species with each other and by crossing Cattleya species with species in related genera. Cattleya are epiphytes, growing on trees or rocks. Like many epiphytic orchids, cattleyas have water-storage organs (known as "pseudobulbs") and large, fleshy roots with a spongy, water-retaining covering. Cattleya flowers are showy and long-lasting and often very fragrant. The flowers of the largest modern hybrids can exceed eight inches in diameter, while the smallest hybrids have flowers of just two to three inches, often exceeding the size of the plant. For most of the second half of the 20th century, and to some degree still, Cattleya was the "standard" orchid to which other orchids were compared by growers. (Fitch 2004; Banks 2005; Cattleya Source website)

Well into the early 1800s, epiphytic orchids were widely (and erroneously) believed to be parasitic on the trees on which they were found, feeding on their sap, leading to the persistent failure of many efforts to bring beautiful new orchids into cultivation. By the time cattleyas were being imported from their native lands in significant numbers, however, the challenges of growing these orchids had already been largely resolved. (Chadwick and Chadwick 2006)

By the mid-19th century, Cattleya orchids were extremely popular with orchid hobbyists in Europe--and quickly became big business as well. In the 1920s, Lewis Knudson, an American researcher, developed a sterile growing technique that dramatically reduced seedling mortality and represented an enormous efficiency improvement for commercial growers. Cattleyas became an important source of cut flowers for florists in the U.S., as they had been for some years in Europe, where the use of these expensive flowers was a status symbol. In the 1930s and 1940s in the U.S., Cattleya orchids replaced camellias and gardenias as the classic flowers for use in corsages. By the 1950s, however, Cymbidium orchids were replacing cattleyas for use in corsages. Cymbidiums were longer-lasting and were smaller and more compact, yet still large enough to make a corsage from a single flower. They also traveled better and were less expensive to grow. In fact, cymbidiums were so much cheaper than cattleyas that the cattleya market for corsages faded away. However, cymbidiums became so cheap that their glamour quickly faded and the market for orchid corsages in general declined. Although the orchid corsage market was much diminished, the second half of the 20th century saw an explosion in orchid breeding for the cut flower industry and orchid hobbyists. In the 1960s, a new, far more efficient, method of cloning orchids was developed in France, dramatically reducing the cost of propagating new and unusual varieties. Today, cattleyas are available in a dazzling array of colors, sizes, shapes, textures, and fragrances, although many of the fine old varieties are no longer commercially available. (Chadwick and Chadwick 2006)

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Cattleya

provided by wikipedia EN

Cattleya (/ˈkætliə/)[2] is a genus of orchids from Costa Rica south to Argentina.[1] The genus is abbreviated C in trade journals.[3]

Description

Epiphytic or terrestrial orchids with cylindrical rhizome from which the fleshy noodle-like roots grow. Pseudobulbs can be conical, spindle-shaped or cylindrical; with upright growth; one or two leaves growing from the top of them. The leaves can be oblong, lanceolate or elliptical, somewhat fleshy, with smooth margin. The inflorescence is a terminal raceme with few or several flowers. Flowers have sepals and petals free from each other; the lip or labellum (lowermost petal), usually has a different coloration and shape from the rest of the flower and covers in part the flower column forming a tube. There are four pollinia (bag-like organs that contain pollen). The fruit is a capsule with many small seeds.[4][5][6]

Taxonomy

The genus was named in 1824 by John Lindley after horticulturalist William Cattley. Cattley obtained a specimen of then unnamed Cattleya labiata from William Swainson who had discovered the new plant in Pernambuco, Brazil, in 1817. The plant successfully bloomed under the care of Cattley and it became the type specimen from which Lindley described C. labiata.[7]

Currently accepted species and subgeneric division within genus Cattleya are:[8][9][10][11][12][13]

  • Subgenus Cattleya
    • Section Cattleya
    • Section Crispae
      • Series Cattleyodes
      • Series Hadrolaelia
      • Series Microlaelia
      • Series Parviflorae
      • Series Sophronitis
    • Section Lawrenceanae
  • Subgenus Cattleyella
  • Subgenus Intermediae
  • Subgenus Maximae

Subgenus Cattleya

Section Cattleya

Section Crispae

Series Cattleyodes
Series Hadrolaelia
Series Microlaelia
Series Parviflorae
Series Sophronitis

Section Lawrenceanae

Subgenus Cattleyella

Subgenus Intermediae

Subgenus Maximae

Natural hybrids

Currently accepted natural hybrids are:[13]

Nothogenera

Hybrids of Cattleya and other genera are placed in the following nothogenera:

Cultivation

Cattleya mossiae fo. coerulea
  • Light
Cattleyas need light, but not direct sunlight; in case of intense sunlight, shade must be provided.[14]
  • Temperature
Day temperatures must be between 25-30 °C (77-86 °F) and night temperatures not lower than 10-12 °C (50-53.6 °F).[14]
  • Humidity
Must be between 40-70% with good ventilation; however plants must not be exposed to air currents.[15]
  • Watering
Water only if substrate is dry. It can be done once a week, but it all depends on the environmental conditions and the season.[15]
  • Fertilizing
Cattleyas can survive without fertilizing. However, it is advisable to use nitrogen-based fertilizers without urea; fertilizers must be applied during the growth season.[15] To avoid salt accumulation in the substrate, water thoroughly between fertilizer applications.[15]

References

  1. ^ a b "Kew World Checklist of Selected Plant Families". Royal botanic Gardens Kew. Retrieved 21 February 2017.
  2. ^ Sunset Western Garden Book, 1995:606–607
  3. ^ "Alphabetical list of standard abbreviations of all generic names occurring in current use in orchid hybrid registration as at 31st December 2007" (PDF). Royal Horticultural Society.
  4. ^ Buzatto, Cristiano Roberto; Ferreira, Priscila Porto Alegre; Welker, Cassiano Aimberê Dorneles; Seger, Guilherme Dubal dos Santos; Hertzog, Anelise; Singer, Rodrigo B. (2010). "O gênero Cattleya Lindl. (Orchidaceae: Laeliinae) no Rio Grande do Sul, Brasil". Revista Brasileira de Biociências (in Portuguese). 8 (4). ISSN 1980-4849.
  5. ^ Withner, C. (1988). The Cattleyas and Their Relatives. Vol. 1: The Cattleyas. Timber Press. pp. 29–30. ISBN 9780881920994.
  6. ^ Schweinfurth, C., "Orchidaceae, Orchids of Peru", Fieldiana, Botany 30(3): 535
  7. ^ "Cattleya, Queen of the Orchids: The Showy Cattleya, Queen of the Orchids, BEGINNERS' HANDBOOK - XV". www.aos.org. Retrieved 29 June 2017.
  8. ^ Van den Berg, Cássio (2014). "Reaching a compromise between conflicting nuclear and plastid phylogenetic trees: a new classification for the genus Cattleya (Epidendreae; Epidendroideae; Orchidaceae)". Phytotaxa. 186 (2): 75. doi:10.11646/phytotaxa.186.2.2. ISSN 1179-3163.
  9. ^ "Laelia gracilis - IOSPE PHOTOS". www.orchidspecies.com. Retrieved 28 June 2017.
  10. ^ "Cattleya hispidula - IOSPE PHOTOS". www.orchidspecies.com. Retrieved 28 June 2017.
  11. ^ "Cattleya gracilis (Pabst) Van den Berg — The Plant List". www.theplantlist.org. Retrieved 28 June 2017.
  12. ^ van den Berg, Cássio (2016). "Nomenclatural notes on Laeliinae-VI. Further combinations in Cattleya (Orchidaceae)". Neodiversity. 9 (1): 4–5. doi:10.13102/neod.91.2.
  13. ^ a b "Cattleya - World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". apps.kew.org. Archived from the original on 8 September 2009. Retrieved 1 July 2017.
  14. ^ a b Schoser, Gustav (1993). Orchid Growing Basics. Sterling Publishing Company, Inc. p. 64. ISBN 9780806903620.
  15. ^ a b c d "Cattleyas for the Beginner - Part 1". www.aos.org. Retrieved 3 July 2017.

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Cattleya: Brief Summary

provided by wikipedia EN

Cattleya (/ˈkætliə/) is a genus of orchids from Costa Rica south to Argentina. The genus is abbreviated C in trade journals.

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