Cattleya violacea
{{Short description|Species of orchid}}
{{Speciesbox
|image = Cattleya violacea 3.jpg
|image_caption =
|genus = Cattleya
|parent = Cattleya subg. Intermediae
|species = violacea
|authority = (Kunth) Rolfe
|synonyms =
- Cymbidium violaceum Kunth
- Epidendrum violaceum (Kunth) Rchb.f.
- Cattleya schomburgkii Lodd. ex Lindl.
- Cattleya superba M.R. Schomb. ex Lindl.
- Cattleya odoratissima P.N. Don
- Epidendrum superbum (M.R. Schomb. ex Lindl.) Rchb.f.
- Cattleya superba var. splendens Lem.
- Cattleya superba var. alba Rolfe
- Cattleya superba var. wellsiana auct.
- Cattleya superba var. ashworthii auct.
- Cattleya violacea var. huebneri Schltr.
- Cattleya violacea var. alba (Rolfe) Fowlie
- Cattleya violacea var. splendens (Lem.) Fowlie
- Cattleya violacea var. ashworthii (auct.) Braem
- Cattleya violacea var. wellsiana (auct.) Braem
- Cattleya violacea f. alba (Rolfe) Christenson
}}
Cattleya violacea is a species of orchid native to the lowland rainforests of the Amazon and Orinoco river basins, being the most widespread of all Cattleya species in the wild.{{Cite book|title=The Cattleyas and Their Relatives|last=Withner|first=C.|publisher=Timber Press|year=1988|isbn=9780881920994|volume=1: The Cattleyas|location=|pages=29–30}} C. Violacea has been found throughout northern South America.{{Cite web |title=Orchid Species: Cattleya violacea |url=https://www.orchids.org/grexes/cattleya-violacea |access-date=2023-12-07 |website=www.orchids.org}} Orchids of this species grow on trees along rivers, as they require heat and moisture year round.{{Cite web|url=http://cattleya.wikidot.com/cattleya-violacea|title=Cattleya violacea - Cattleya Source|website=cattleya.wikidot.com|language=en|access-date=2018-05-16}}
Seed Characteristics
Seed Coat: Cattleya Violacea seeds have a reticulate seed coat, characterized by a network-like pattern.Do Rego, E., Do Rego, M., & De Campos, B. (2009). Genetic variability in Cattleya violacea (Orchidaceae) in the Amazonian region. Acta Horticulturae, 813, 413-420. The seed has a micropylar end (opened end) and a chalazal end (closed end).Galdiano Júnior, R. F., Mantovani, C., Cassano, A. O., & Lemos, E. G. D. M. (2013). Initial development and in vitro growth of Cattleya violacea (Kunth) Rolfe in different sucrose concentrations. Acta Amazonica, 43, 127-134.
Germination and Growth Process
The germination process likely involves the absorption of water through the micropyle, triggering the initiation of growth. It has elongated pseudobulbs that become grooved as they mature, covered at the base by papery sheaths that disappear over time. During late spring and early summer, it produces fragrant flowers on a tall, reddish stem with a few to several blooms. The flowers open flat and last a long time, emerging from a newly formed pseudobulb.
Growth Conditions
Cattleya Violacea primarily grows in the overstory, a study in southern Venezuela found it to be the 3rd most abundant plant in the forest overstory.{{Cite journal |last=Carlsen |first=Monica |date=2000 |title=Structure and Diversity of the Vascular Epiphyte Community in the Overstory of a Tropical Rain Forest in Surumoni, Amazonas State, Venezuela |url=https://www.jstor.org/stable/41760047 |journal=Selbyana |volume=21 |issue=1/2 |pages=7–10 |issn=0361-185X}}Cattleya violacea has also observed as an epiphytic orchid associated with small trees in the forest surrounding a rocky hill.de Freitas Luz, F. J., de Oliveira, J. M. F., & da Silva, G. D. F. N. (2016). Orchid diversity at a residual plateau on Caroebe, Roraima. Ornamental Horticulture, 22(3), 272-276.
Sucrose Concentration: Studies have shown that sucrose concentration significantly affects Cattleya violacea growth.
Ideal Environment: Soil with 20-30 grams of sucrose is considered the ideal environment for Cattleya seeds to grow.
Effects of Sucrose: Absence of sucrose or excessively high concentrations can be detrimental to plant growth.
Optimal Concentration: The concentration of 27 g L-1 of sucrose has been found to provide the highest in vitro growth, enabling efficient mass propagation.
Genetic Diversity Study
Presence in Cartagena del Chaira
Geographic Location: Cattleya violacea has been found in Cartagena del Chaira, a municipality in the department of Caquetá, Colombia.Arias, T., Chaux-Varela, J., del Pilar Camero, M., Calderón-Álvarez, R. A., Trujillo, A. C., Correa-Munera, M. A., ... & Valencia-D, J. (2023). Checklist of Orchidaceae from Caquetá, Colombia. ARPHA Preprints, 4, e102798.
File:Select orchidaceous plants. (First series) (Plate XXIV) BHL269493.jpg
Introduction Hypothesis: There are doubts about the natural distribution of these species in La Laguna del Chaira. It is suspected that they were introduced during a massive effort to bring orchids to the area in the 1980s.
References
{{Reflist}}
External links
- {{Commons-inline|2=Cattleya violacea}}
- {{Wikispecies-inline|Cattleya violacea|Cattleya violacea}}
{{Taxonbar|from=Q1600763}}
{{Laeliinae-stub}}