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Orchid Species: Xeilyathum altissimum

Kew currently accepted name is Oncidium altissimum

Xeilyathum altissimum is an orchid species identified by (Jacq.) Raf. in 1837. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Oncidium altissimum.
Genus
Xeilyathum (Xeilyathum.)
Grex
altissimum
Parents
Species
Author
(Jacq.) Raf.
Year
1837
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ORIGIN: Found in the Lesser Antilles Islands of Martinique, Trinidad and St. Vincent at altitudes of sea-level to 200 meters.

DESCRIPTION: Medium sized, pseudobulbous, hot growing epiphyte with clustered to ovoid to suborbicular, laterally compressed, rugose with age pseudobulbs enveloped basally by several imbricating leaf-bearing sheaths and carrying 2 apical, oblong-ligulate, acute, conduplicate below into the petiole-like base leaves that blooms in the spring on a basal, arcuate, branched, 6' [180 cm] long inflorescence that has many, glossy flowers.

FLOWER SIZE: 1 inch [2.5 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Cymbidium Cym altissimum 1799 (Jacq.) Sw.
Add+ Oncidium Onc altissimum 1800 (Jacq.) Sw.
Add+ Oncidium Onc wydleri 1885 Rchb.f.
Add+ Oncidium Onc forkelii 1842 Scheidw.
Add+ Oncidium Onc hannelorae 2000 Nir
Add+ Epidendrum Epi altissimum 1760 F.Lehm. & Kraenzl.
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