Prgm. muscosum 'Colombo' photo by Soc. Colombiana de Orquid.

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Orchid Species: Porroglossum muscosum

(This name is currently accepted by Kew.)

Porroglossum muscosum is an orchid species identified by (Rchb.f.) Schltr. in 1920.
Genus
Porroglossum (Prgm.)
Grex
muscosum
(name currently accepted by Kew)
Parents
Species
Author
(Rchb.f.) Schltr.
Year
1920
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ORIGIN: A miniature sized, epiphytic or terrestrial, cool to cold growing orchid that comes from the wet montane forests of Venezuela, Colombia and Ecuador at altitudes of 1600 to 3000 meters.

DESCRIPTION: A miniature sized, epiphytic or terrestrial, cool to cold growing orchid that comes from the wet montane forests of Venezuela, Colombia and Ecuador at altitudes of 1600 to 3000 meters with an erect, slender ramicaul enveloped by 2 to 3 tubular sheaths and a single, apical, erect, thickly coriaceous, verrucose, purple suffused, narrowly elliptic to narrowly obovate leaf and blooms in the fall on an erect, densly pubescent, to 6 to 7 [15 to 17.5 cm] long, successively few flowered inflorescence with a single central bract and has tubular, imbricating floral bracts, with a single flower at a time held well above the leaves. This species has an interesting muscular lip that can be activated to close shut in a second after which it takes a half hour to relax. Studies have been done to see if this mechanism is a means of trapping insects to achieve pollen transfer.

FLOWER SIZE: About 3/4 inch [2 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Masdevallia Masd muscosa 1875 Rchb.f.
Add+ Masdevallia Masd xipheres 1876 Rchb.f.
Add+ Porroglossum Prgm xipheres 1967 (Rchb.f.) Garay
Add+ Scaphosepalum Sppm xipheres 1920 (Rchb.f.) Schltr.
Most awarded/recent cultivars: Prgm. muscosum 'Anke' (2 awards in 2018) Prgm. muscosum 'Colombo' (2 awards from 2014 to 2015) Prgm. muscosum 'Herrenhausen' (2 awards in 2012) Prgm. muscosum 'Meg' (2015) Prgm. muscosum 'Bex' (2013) Prgm. muscosum 'Portland' (2004) Prgm. muscosum 'Eichenfels' (1992) Prgm. muscosum 'Greentree' (1975)
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