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Orchid Species: Rossioglossum powellii

Kew currently accepted name is Rossioglossum schlieperianum

Rossioglossum powellii is an orchid species identified by (Schltr.) Garay & G.C.Kenn. in 1976. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Rossioglossum schlieperianum.
Genus
Rossioglossum (Ros.)
Grex
powellii
Parents
Species
Author
(Schltr.) Garay & G.C.Kenn.
Year
1976
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ORIGIN: Found in El Salvador, Honduras, Costa Rica and Panama in moderate shade in humid, evergreen cloud forests in moderate shade on trunks of very tall trees at elevations of 1200 to 2800 meters.

DESCRIPTION: Medium sized, warm to cold growing epiphyte with grayish green, biconvex, lightly sulcate, ovoid to obovoid pseudobulbs partially enveloped basally by several, distichous, imbricating, triangular, short-lasting, leafless sheaths with a sometimes emarginate apex and carrying 2 deep gray-green, subcoriaceous, carinate abaxially, elliptic-oblanceolate, acute, tapering below into the conduplicate, narrow, short, petiole-like base leaves that blooms in the spring and summer on a lateral, racemose, 10 to 16 [25 to 40 cm] long, few to several [3 to 8] flowered inflorescence arising on a developing pseudobulb through the sheath axil.

FLOWER SIZE: 3 3/5 inches [9 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Rossioglossum Ros schlieperianum 1976 (Rchb.f.) Garay & G.C.Kenn.
Add+ Odontoglossum Odm grande-pallidum 1865 Klotzsch ex Rchb.f.
Add+ Odontoglossum Odm powellii 1922 Schltr.
Add+ Rossioglossum Ros schileperianum
Add+ Odontoglossum Odm Lawrenceanum 1905 Vuylsteke
Add+ Odontoglossum Odm schlieperianum 1865 Rchb.f.
Most awarded/recent cultivars: Ros. schlieperianum 'Wössen' (2 awards in 2014) Ros. schileperianum 'Rubustin' (2 awards in 2003) Ros. schlieperianum 'Watzmann' (2018) Ros. schlieperianum h.f. flavum 'Werner' (2017) Ros. schlieperianum f. flavidum 'Julían' (2015) Odm. schlieperianum 'Marvin' (2003) Ros. schlieperianum var. flavidum 'Marsden Grotto' (2001) Ros. schlieperianum 'Nelly Lun's Tiger' (1998) Odm. schlieperianum h.v. pachecoi 'E.B.' (1981) Odm. schlieperianum 'Dalmeny' (1978) Odm. schlieperianum 'Andy' (1977) Odm. schlieperianum h.v. pachecoi 'Oso Grande' (1972) Odm. schlieperianum h.v. pachecoi 'Pride of Vashon' (1972) Odm. schlieperianum h.v. pachecoi 'Ginny Jo' (1971) Odm. schlieperianum var. flavidum 'Chester Hills' (1971) Odm. schlieperianum h.v. pachecoi 'Spring Sunshine' (1969)
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