Rossioglossum [2] ( lat. Rossioglossum ) is a genus of perennial herbaceous plants of the Orchidaceae family.
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The abbreviation of the generic name is Ros. [3]
The genus Rossioglossum includes six species common in Guatemala , Panama , Mexico and Honduras .
Epiphytes , less often lithophytes in mountain forests at altitudes from 1200 to 2000 meters above sea level.
Some representatives of the genus and hybrids with their participation are popular in indoor and greenhouse floriculture , and are also widely represented in botanical gardens .
Content
- 1 Etymology and history of description
- 2 Morphological description
- 3 Systematics
- 4 Views
- 5 Protection of endangered species
- 6 In culture
- 7 Primary hybrids (greksy)
- 8 Diseases and pests
- 9 notes
- 10 Literature
- 11 Links
Etymology and Description History
The genus is named after John Ross, an English plant collector from Mexico who lived in the 19th century. The second part of the name is derived from the Greek word γλῶσσα “language”.
Morphological description
The genus is represented by six species of epiphytic orchids from medium to large sizes.
Pseudobulbs of plants have an ovoid-flattened shape, are located in tight groups. From each pseudobulb, 2 large leaves with pronounced petioles grow.
Inflorescences are lateral, non-branching, slightly colored. The flowers are large. The tepals are slightly set back, of a similar size or with slightly wider petals. Lingual sepals and two petals are yellow with brown stripes or spots.
The lip has a shell-shaped or fan, indistinctly trilobal with protruding callus; in some species ( Rossioglossum schlieperianum ) it is colored as well as the remaining tepals, in others it is different, but always with the same brown spots (in Rossioglossum grande the main background is white, in Rossioglossum insleayi it is bright yellow).
Systematics
The genus is described by L. Garay and G. Kennedy in 1976. It included five species previously belonging to the genus Odontoglossum . In 2003, the species Rossioglossum hagsaterianum was added .
Views
According to the database of The Plant List , the genus includes 9 species [4] :
- Ampliatum Rossioglossum ( Lindl. ) MWChase & NHWilliams
- Rossioglossum grande ( Lindl. ) Garay & GCKenn.
- Rossioglossum hagsaterianum Soto Arenas
- Insleayi Rossioglossum ( Baker ex Lindl. ) Garay & GCKenn.
- Rossioglossum krameri ( Rchb.f. ) MWChase & NHWilliams
- Rossioglossum oerstedii ( Rchb.f. ) MWChase & NHWilliams
- Schlieperianum Rossioglossum ( Rchb.f. ) Garay & GCKenn.
- Splendens Rossioglossum ( Rchb.f. ) Garay & GCKenn.
- Williamsianum Rossioglossum ( Rchb.f. ) Garay & GCKenn.
Endangered Species Protection
All species of the genus Rossioglossum are included in Appendix II of the CITES Convention. The purpose of the Convention is to ensure that international trade in wild animals and plants does not create a threat to their survival.
In Culture
A botanical illustration from The Orchidaceae of Mexico and Guatemala, pl. 21, 1842
The temperature group is cold-moderate. Landing on the block , in the basket for epiphytes, a plastic or ceramic pot.
The substrate is a mixture of medium-sized pine bark (pieces from 0.5 to 1.0 cm), perlite and charcoal.
Most species and hybrids do not tolerate moisture stagnation. Between watering, the substrate should have time to completely dry.
Relative humidity from 50% and above, depending on the requirements of the species.
The presence of air flow around the root system helps to maximize growth and reduce the risk of bacterial and fungal infections. Plants should be equipped with constantly working fans.
All species have a pronounced period of rest, during which the plants are kept in a cooler environment and reduce watering.
Primary Hybrids
- Ros. Rawdon Jester - Ros. grande × Ros. williamsianum . Created in the UK by Mansell and Hatcher Ltd. It was presented at an exhibition in Oklahoma City , October 19, 1996. The cultivar “San Damiano” had a flower of 15.7 cm horizontally and 14.6 cm vertically [5] .
Diseases and Pests
Notes
- ↑ For the conventionality of indicating the class of monocotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Monocotyledonous article .
- ↑ The Russian name “Rossioglossum” is used in the book of G. L. Kolomeytsev, S. O. Gerasimov, “Orchids,” Kladez Publishing House - Books, Moscow, 2005
- ↑ Alphabetical list of standard abbreviations of all generic names. occurring in current use in orchid hybrid registration as at 31st December 2007 Archived September 10, 2016.
- ↑ Rossioglossum . The Plant List . Version 1.1. (2013). Date accessed August 24, 2016.
- ↑ the site of the magazine Planet Orchids. Rossioglossum grande. E. Dorofeeva
Literature
- Kolomeytseva G. L., Gerasimov S. O., Orchids, Kladez Publishing House - Books, Moscow, 2005
- Hedgehog Zdenek, Orchids. Illustrated Encyclopedia. Publisher: Labyrinth, 2005 ISBN 5-9287-1134-4
- Charles O. Baker, Margaret L. Baker. Orchid Species Culture: Oncidium / Odontoglossum Alliance (Hardcover). Timber Press, 2006 ISBN 0-88192-775-9
- Christenson EA, 2007, Notes nomenclaturales. Richardiana 7. (2): 75-78. View Kew Record reference
- Roberts JA, Anaku S, Burdon J, Mathew P, McGough N, Newman AD, 2002, [2001], CITES orchid checklist. Volume 3, for the genera Aerangis, Angraecum, Ascocentrum, Bletilla, Brassavola, Calanthe, Catasetum, Miltonia, Miltonioides, Miltoniopsis, Renanthera, Renantherella, Rhynchostylis, Rossioglossum, Vanda and Vandopsis. Kew: Royal Botanic Gardens, 233p. ISBN 1-84246-033-1
- Jenny R, 1998, Rossioglossum Garay et Kennedy 1976. Caesiana no. 11. center page pullout (8p.)
- Lowendahl G, 1982, Odontoglossum i Mexico och Centralamerika, norr om Panamanaset. Orchideer, 3. (1): 5-7
- Moir WWG, 1981, Rossioglossum. Hawaii Orchid J. 10. (3): 4 - 6
- Senghas K, Bockemuhl L, 1980, Rossioglossum Garey & Kennedy 1976. Orchidee 31. (2): center page pullout (6) p.
- Mattes P, 1979, Auf der Suche nach Rossioglossum splendens. Orchidee 30. (2): 72 - 76
- Garay LA, Kennedy G, 1976, The genus Rossioglossum. Orchid Dig. 40. (4): 139-143
- CITES orchid checklist. Volume 3, for the genera: Aerangis, Angraecum, Ascocentrum, Bletilla, Brassavola, Calanthe, Catasetum, Miltonia, Miltonioides, Miltoniopsis, Renanthera, Renantherella, Rhynchostylis, Rossioglossum, Vanda and Vandopsis / compiled by Jacqueline A. ]
Links
- Specific essays and photos on the site Orchid Species Photo of Internet Encyclopedia (Eng.)
- Taxonomy of the genus Rossioglossum on the Tropicos website
- Identification of species of the genus Rossioglossum . Private cultivation experience. Roezliana magazine website. (Czech)
- Paul Suzuki. Culture of Rossioglossum . (unavailable link) (eng.)