Monographs Details: Zygosepalum labiosum (Rich.) Garay
Authority: Schweinfurth, Charles. 1967. Orchidaceae of the Guayana Highland. Mem. New York Bot. Gard. 14: 69-214.
Family:Orchidaceae
Description:Distribution and Ecology - BRITISH GUIANA. Along the Essequibo River, Schomburgk s.n. VENEZUELA. Bolivar: Gran Sabana, Salto Hacha, 307 m alt., G. C. K. Dunsterville 141; Alto Rio Pardgua, Salto Guaiquinima, 300 m alt., F. Cardona 999; Cerro Guaiquinima, Rio Pardgua, Raudal Guaiquinima, near Base Camp, 200 m alt., infrequent epiphyte in strand woodland, flower yellowish with green column, January 16-19, 1952, B. Maguire 33141. Amazonas: Rios Pacimoni-Yatua, Casiquiare, along uppermost Rio Yatua, 100-140 m alt., epiphyte on trunk of living tree 2 m above the ground, "Perianth pale greenish purple above, paler beneath. Column pale green, reddish lined above and apically," December 12, 1953, B. Maguire, J. J. Wurdack & G. S. Bunting 36764 (no lip present); Cerro de la Neblina, Rio Yatua, near Base Camp, 140 m alt., occasional epiphyte in forest, flower greenish bronze, October 31, 1957, B. Maguire, J. J. Wurdack & C. K. Maguire 41981. BRAZIL, SURINAM and FRENCH GUIANA (type of Epidendrum labiosum). The type of Zygopetalum rostratum was from BRITISH GUIANA.

Discussion:

Epidendrum labiosum L. C. Rich., Cat. PI. Le Blond, Act. Soc. Hist. Nat., Paris 1: 112. 1792.

Zygopetalum rostratum Hook., Bot. Mag. 55: t. 2819. 1828, as Zygopetalon.

Menadenium labiosum Cogn., Martius Fl. Bras. 3 (5) : 582. 1902.

Distribution:Guyana South America| Venezuela South America| Suriname South America| Brazil South America| French Guiana South America|