Otoglossum: Difference between revisions
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'''''Otoglossum''''' is a [[genus]] of [[flowering plant]]s from the orchid family, [[Orchidaceae]], native to [[South America]] and [[Central America]].<ref name="maryellen">[http://apps.kew.org/wcsp/namedetail.do?name_id=144729 Kew World Checklist of Selected Plant Families]</ref><ref>{{Cite journal|author1=Szlachetko, Dariusz L. |author2=Kolanowska, Marta |lastauthoramp=yes |year=2014|title=Generic delimitation of the genera ''Brevilongium'' and ''Otoglossum'' (Orchidaceae) with description of new species from Colombia and Panama|journal=Plant Biosystems|volume=|pages=|doi=10.1080/11263504.2014.916363}}</ref><ref>Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2009). Epidendroideae (Part two). Genera Orchidacearum 5: 1-585. Oxford University Press, New York, Oxford.</ref><ref>Jenny, R. (2010). ''Otoglossum'', una revisión taxonómica. Orquideología 27: 63-95.</ref> |
'''''Otoglossum''''' is a [[genus]] of [[flowering plant]]s from the orchid family, [[Orchidaceae]], native to [[South America]] and [[Central America]].<ref name="maryellen">[http://apps.kew.org/wcsp/namedetail.do?name_id=144729 Kew World Checklist of Selected Plant Families]</ref><ref>{{Cite journal|author1=Szlachetko, Dariusz L. |author2=Kolanowska, Marta |lastauthoramp=yes |year=2014|title=Generic delimitation of the genera ''Brevilongium'' and ''Otoglossum'' (Orchidaceae) with description of new species from Colombia and Panama|journal=Plant Biosystems|volume=|pages=|doi=10.1080/11263504.2014.916363}}</ref><ref>Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2009). Epidendroideae (Part two). Genera Orchidacearum 5: 1-585. Oxford University Press, New York, Oxford.</ref><ref>Jenny, R. (2010). ''Otoglossum'', una revisión taxonómica. Orquideología 27: 63-95.</ref> |
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==Description== |
==Description== |
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They are |
They are plants of ovoid pseudobulbs spaced in long, along a creeping or ascending upward rhizomes, with thick and tanned leathery leaves. The inflorescence is axillary, racemosa, erect, starting from the sheaths of the pseudobulbs, racemous, erect, with many rather large and wavy or curly, rounded flowers. |
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The petals and sepals have |
The petals and sepals have similar shapes and sizes, with very frizzy, oval, large margins, somewhat concave. The lip is inserted at the base of the column. The spine is short, sometimes with dorsal calluses. The spine is short, apodes, sometimes with dorsal calluses before the stigmatic cavity, small wings or auricles, and terminal anther somewhat inserted under the terminal margins of the spine. |
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==Taxonomy== |
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In 2001 [[Mark W. Chase]] and Norris Williams subordinated the ''Oncidium'' section ''Serpentia'' to ''Otoglossum''. The species in this section, ''[[Oncidium serpens]]'', ''[[Oncidium sanctipauli]]'', ''[[Oncidium harlingii]]'' and ''[[Oncidium globuliferum]]'', have few and widely spaced flowers at first glance, very similar to those of ''[[Oncidium varicosum]]'', long repeating rhizomes like those of ''[[Rodriguezia]]'', show frequent sprouting of new plants in the nodules of ancient floral stems, and morphologically have little in common with ''Otoglossum'' other than the scandal habit. |
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==Distribution== |
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''Otoglossum'', according to its new definition already expanded to include the aforementioned section of ''Oncidium'', then groups about thirteen epiphytic species, occasionally terrestrial, in rule of scandal growth, that inhabit humid, fresh and cold mountainous areas from Costa Rica to Peru until the altitude of three thousand meters, over trees or rocky escarpments. Three species registered for Brazil, two belonging to the old section of Odontoglossum and one to Oncidium. |
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== See also == |
== See also == |
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* [[List of natural Orchidaceae genera|List of Orchidaceae genera]] |
* [[List of natural Orchidaceae genera|List of Orchidaceae genera]] |
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Revision as of 05:22, 25 February 2020
| Otoglossum | |
|---|---|
| |
| Otoglossum harlingii | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Epidendroideae |
| Tribe: | Cymbidieae |
| Subtribe: | Oncidiinae |
| Genus: | Otoglossum (Schltr.) Garay & Dunst. |
| Type species | |
| Otoglossum hoppii | |
| Synonyms[1] | |
| |
Otoglossum is a genus of flowering plants from the orchid family, Orchidaceae, native to South America and Central America.[1][2][3][4]
Description
They are plants of ovoid pseudobulbs spaced in long, along a creeping or ascending upward rhizomes, with thick and tanned leathery leaves. The inflorescence is axillary, racemosa, erect, starting from the sheaths of the pseudobulbs, racemous, erect, with many rather large and wavy or curly, rounded flowers.
The petals and sepals have similar shapes and sizes, with very frizzy, oval, large margins, somewhat concave. The lip is inserted at the base of the column. The spine is short, sometimes with dorsal calluses. The spine is short, apodes, sometimes with dorsal calluses before the stigmatic cavity, small wings or auricles, and terminal anther somewhat inserted under the terminal margins of the spine.
Taxonomy
In 2001 Mark W. Chase and Norris Williams subordinated the Oncidium section Serpentia to Otoglossum. The species in this section, Oncidium serpens, Oncidium sanctipauli, Oncidium harlingii and Oncidium globuliferum, have few and widely spaced flowers at first glance, very similar to those of Oncidium varicosum, long repeating rhizomes like those of Rodriguezia, show frequent sprouting of new plants in the nodules of ancient floral stems, and morphologically have little in common with Otoglossum other than the scandal habit.
Species
| Image | Name | Distribution | Elevation (m) |
|---|---|---|---|
| Otoglossum arminii (Rchb.f.) Garay & Dunst. | Colombia, Venezuela, Brazil | 1800 - 2700 | |
| Otoglossum axinopterum (Rchb.f.) Garay & Dunst. | Ecuador | 500 - 2500 | |
| Otoglossum brachypterum (Rchb.f.) Garay & Dunst. | Peru | ||
 |
Otoglossum brevifolium (Lindl.) Garay & Dunst. | Colombia, Venezuela, Brazil, Ecuador, Peru, Bolivia | 900 - 2800 |
| Otoglossum candelabrum (Linden ex Pérot) Jenny & Garay | Colombia, Ecuador | 1500 - 1600 | |
| Otoglossum chiriquense (Rchb.f.) Garay & Dunst. | Costa Rica, Panama | 800 - 3000 | |
| Otoglossum dayanum (Rchb.f.) Jenny & Garay | Peru | ||
 |
Otoglossum globuliferum (Kunth) N.H.Williams & M.W.Chase | Costa Rica, Panama, Colombia, Venezuela, Brazil, Ecuador, Peru | 400 - 2400 |
|
Otoglossum harlingii (Stacy) N.H.Williams & M.W.Chase | Ecuador | 1800 - 3100 |
| Otoglossum hoppii (Schltr.) Garay & Dunst. | Colombia | ||
| Otoglossum palaciosii (Dodson) M.W.Chase & N.H.Williams | Ecuador | 1650 | |
| Otoglossum sancti-pauli (Kraenzl.) N.H.Williams & M.W.Chase | Colombia, Venezuela | 1100 - 1300 | |
| Otoglossum scansor (Rchb.f.) Carnevali & I.Ramírez in J.A.Steyermark & al. | Colombia, Venezuela, Brazil | 750 - 1950 | |
| Otoglossum serpens (Lindl.) N.H.Williams & M.W.Chase | Colombia, Ecuador, Peru | 1500 - 2700 | |
| Otoglossum virolinense P.Ortiz & Jenny | Colombia | 2400 | |
| Otoglossum weberbauerianum (Kraenzl.) Garay & Dunst. | Peru | 2000 - 2300 |
Distribution
Otoglossum, according to its new definition already expanded to include the aforementioned section of Oncidium, then groups about thirteen epiphytic species, occasionally terrestrial, in rule of scandal growth, that inhabit humid, fresh and cold mountainous areas from Costa Rica to Peru until the altitude of three thousand meters, over trees or rocky escarpments. Three species registered for Brazil, two belonging to the old section of Odontoglossum and one to Oncidium.
See also
Notes
- ^ a b Kew World Checklist of Selected Plant Families
- ^ Szlachetko, Dariusz L.; Kolanowska, Marta (2014). "Generic delimitation of the genera Brevilongium and Otoglossum (Orchidaceae) with description of new species from Colombia and Panama". Plant Biosystems. doi:10.1080/11263504.2014.916363.
{{cite journal}}: Unknown parameter|lastauthoramp=ignored (|name-list-style=suggested) (help) - ^ Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2009). Epidendroideae (Part two). Genera Orchidacearum 5: 1-585. Oxford University Press, New York, Oxford.
- ^ Jenny, R. (2010). Otoglossum, una revisión taxonómica. Orquideología 27: 63-95.
References
- Berg Pana, H. 2005. Handbuch der Orchideen-Namen. Dictionary of Orchid Names. Dizionario dei nomi delle orchidee. Ulmer, Stuttgart
External links
Media related to Otoglossum at Wikimedia Commons
Data related to Otoglossum at Wikispecies
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