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Orchid Species: Pleurothallis polystachya

Kew currently accepted name is Acianthera pubescens

Pleurothallis polystachya is an orchid species identified by A.Rich. & Galeotti in 1845. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Acianthera pubescens.
Genus
Pleurothallis (Pths.)
Grex
polystachya
Parents
Species
Author
A.Rich. & Galeotti
Year
1845
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ORIGIN: A highly variable, miniature sized, unifoliate, warm to cool growing epiphytic species from dense humid forests, at altitudes of 500 to 1900 meters in the countries of Dominican Republic, Puerto Rico, Mexico, Guatemala, Honduras, Nicaragua, Costa Rica, Panama, French Guiana, Surinam, Venezuela, Colombia, Ecuador, Peru, Brazil, Paraguay and Argentina.

DESCRIPTION: A highly variable, miniature sized, unifoliate, warm to cool growing epiphytic species from dense humid forests, at altitudes of 500 to 1900 meters in the countries of Dominican Republic, Puerto Rico, Mexico, Guatemala, Honduras, Nicaragua, Costa Rica, Panama, French Guiana, Surinam, Venezuela, Colombia, Ecuador, Peru, Brazil, Paraguay and Argentina with slender ramicauls enveloped basally by 2 to 3 tubular sheaths and carrying a single, apical, obovate, acute, ancipitous below into the petiolate base leaf that blooms in the summer through winter on an apical, fasciculate, 1 3/4 [4.5 cm] long, few flowered, racemose inflorescence arising through a spathe that holds the fragrant [not good] flowers close to mid leaf.

FLOWER SIZE: 1/16 or less inches [0.05 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Acianthera Acia pubescens 2001 (Lindl.) Pridgeon & M.W.Chase
Add+ Acianthera Acia smithiana
Add+ Pleurothallis Pths bourgeaui 1921 Kraenzl.
Add+ Pleurothallis Pths bufonis 1854 Klotzsch
Add+ Pleurothallis Pths coriacea 1883 Bello
Add+ Pleurothallis Pths janeirensis 1881 Barb.Rodr.
Add+ Pleurothallis Pths mandibularis 1920 Kraenzl.
Add+ Pleurothallis Pths porphyrantha 1921 Kraenzl.
Add+ Pleurothallis Pths rio-grandensis 1881
Add+ Pleurothallis Pths smithiana 1843 Lindl.
Add+ Pleurothallis Pths truxillensis 1854 Rchb.f.
Add+ Pleurothallis Pths vittata 1838 Lindl.
Add+ Pleurothallis Pths pubescens 1837 Lindl.
Add+ Humboltia Humboltia bufonis 1891 (Klotzsch) Kuntze
Add+ Humboltia Humboltia pubescens 1891 (Lindl.) Kuntze
Add+ Humboltia Humboltia smithiana 1891 (Lindl.) Kuntze
Add+ Humboltia Humboltia truxillensis 1891 (Rchb.f.) Kuntze
Add+ Humboltia Humboltia vittata 1891 (Lindl.) Kuntze
Add+ Pleurothallis Pths riograndensis 1881 Barb.Rodr.
Most awarded/recent cultivars: Acia. pubescens 'Sierning' (2012) Acia. pubescens 'Autal' (2011) Acia. pubescens 'Wasen' (2011) Acia. pubescens 'Bryon Rinke' (2005) Pths. pubescens 'Bryon' (2000) Pths. pubescens 'Fran Gay' (1980)
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