Zygosepalum labiosum (Rich.) Garay 1967

Photo by Lourens Grobler

to and EARLY

Common Name The Lip-Like Zygosepalum

Flower Size to 4" [to 10 cm]

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.

Synonyms *Epidendrum labiosum Rich. 1792; Eulophia rostrata (Hook.) Steud. 1840; Menadenium labiosum (Rich.) Cogn. 1902; Menadenium rostratum [Hkr.] Raf. 1836; Zygopetalum labiosum (Rich.) L.O. Williams 1942; Zygopetalum rostratum Hook. 1828; Zygopetalum rostratum Raf. ?; Zygosepalum rostratum (Hook.) Rchb. f. 1863

References W3 Tropicos, Kew Monocot list , IPNI ; Refugium Botanicum Reichenbach 1872 as Zygopetalum rostratum drawing fide; Die Orchideen Schlechter 1915 as Menadenium labiosum; Atlas des Orchidees Cultivees Constantin 1920 as Menadenium rostratum drawing fide; Flora Brasilica Vol XII VII 115-147 Hoehne 1953 as Menadenium labiosum drawing fide; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959 as Menadenium labiosum drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965 as Menadenium labiosum drawing good; AOS Bulletin Vol 36 No 9 1967 as Z rostratum; Flora de Venezuela Volumen XV Part 4 Foldats 1970 drawing fide; Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 drawing fide; AOS Bulletin Vol 48 No 8 1979 photo; Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing fide; The Orchids of Surinam Werkhoven 1986 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Rudolf Schlechter Die Orchideen Band 1B lieferung 27 1648 - 1712 Brieger 1993 photo fide; Icones Orchidacearum Peruviarum Plate 400 Bennett & Christenson 1995 drawing fide; Venezuela; Paraiso de Orquideas Romero 1997 photo fide; Orchid Digest Vol 64 #1 2000 photo fide; Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing ok; Orchid Species of Peru Zelenko & Bermudez 2009 1 st photo fide; AOS Bulletin Vol 79 #12 2010 photo fide; Orquideas del Peru Freuler 2010 photo fide; Orquideas de Roirama Luz & Franco 2012 photo fide; AOS Bulletin Vol 82 #3 2013 photo fide;