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Orchid Species: Zygosepalum rostratum

Kew currently accepted name is Zygosepalum labiosum

Zygosepalum rostratum is an orchid species identified by (Hook.) Rchb.f. in 1859. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Zygosepalum labiosum.
Genus
Zygosepalum (Zspm.)
Grex
rostratum
Parents
Species
Author
(Hook.) Rchb.f.
Year
1859
ORIGIN: Found in French Guiana, Surinam, Guyana, Venezuela, Colombia, Ecuador, Peru and Brazil as a medium sized, hot to warm growing, climbing epiphyte in wet montane forests at elevations below 1200 meters.

DESCRIPTION: Found in French Guiana, Surinam, Guyana, Venezuela, Colombia, Ecuador, Peru and Brazil as a medium sized, hot to warm growing, climbing epiphyte in wet montane forests at elevations below 1200 meters with a remote, oblong to ovate-pyriform, complanate pseudobulb with 2 to 3, basal pairs of distichous, imbricate sheaths with the uppermost being leaf bearing and 2 apical, oblanceolate, acuminate, plicate, conduplicate and imbricate at the short, petiolate base, subcoriaceous, carinate mid-vein, dark green leaves that blooms in the spring and early summer on an erect, 8 [20 cm] long, 1 to 3 flowered, bracteate inflorescence with large, fragrant, long-lasting, simultaneously opening flowers arising on a mature pseudobulb and held below the leaves, with lanceolate, acuminate bracts.

FLOWER SIZE: To 4 inches [to 10 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Zygosepalum Zspm labiosum 1967 (Rich.) C.Schweinf.
Add+ Zygopetalum Z rostratum 1828 Hook.
Add+ Menadenium Me rostratum 1838 (Hook.) Raf.
Add+ Menadenium Me labiosum 1902 (Rich.) Cogn. in C.F.P.von Martius & auct. suc. (eds.)
Add+ Zygopetalum Z labiosum 1942 (Rich.) L.O.Williams
Add+ Epidendrum Epi labiosum 1792 Rich.
Add+ Eulophia Euph rostrata 1840 (Hook.) Steud.
Most awarded/recent cultivars: Zspm. labiosum 'Diana' (2 awards from 1993 to 1994) Me. labiosum 'Francis' (1977) Me. rostratum 'J & L' (1964)
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