Hormidium
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Hormidium
Within the Orchidaceae, ''Hormidium'' was originally a subgenus of the genus ''Epidendrum'', but was later raised to a full genus. It is now considered not to be distinct from the genus ''Prosthechea'', of which it is a synonym. Most of the species of ''Hormidium'' have been transferred to ''Prosthechea'', although others are now classified in ''Encyclia'', ''Epidendrum'', ''Homalopetalum'', and ''Lepanthes''. Taxonomy In 1841, John Lindley used the name ''Hormidium'' for one of the subgenera into which he divided the genus ''Epidendrum''. He described the subgenus as having pseudobulbous stems, sessile flowers and with the lip (labellum) of the flower joined (adnate) to the column. Later, in 1861, Heinrich Reichenbach concluded that the subgenus ''Hormidium'' was superfluous. In 1883, George Bentham and Joseph Hooker raised ''Hormidium'' to a full genus., p. 524f. They distinguished ''Hormidium'' from the other pseudobulbous species of ''Epidendrum'' with at least a partiall ...
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Hormidium Pseudopygmaeum
Within the Orchidaceae, ''Hormidium'' was originally a subgenus of the genus ''Epidendrum'', but was later raised to a full genus. It is now considered not to be distinct from the genus ''Prosthechea'', of which it is a synonym. Most of the species of ''Hormidium'' have been transferred to ''Prosthechea'', although others are now classified in ''Encyclia'', ''Epidendrum'', ''Homalopetalum'', and ''Lepanthes''. Taxonomy In 1841, John Lindley used the name ''Hormidium'' for one of the subgenera into which he divided the genus ''Epidendrum''. He described the subgenus as having pseudobulbous stems, sessile flowers and with the lip (labellum) of the flower joined (adnate) to the column. Later, in 1861, Heinrich Reichenbach concluded that the subgenus ''Hormidium'' was superfluous. In 1883, George Bentham and Joseph Hooker raised ''Hormidium'' to a full genus., p. 524f. They distinguished ''Hormidium'' from the other pseudobulbous species of ''Epidendrum'' with at least a partiall ...
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Epidendrum
''Epidendrum'' , abbreviated Epi in the horticultural trade, is a large neotropical genus of the orchid family. With more than 1,500 species, some authors describe it as a mega-genus. The genus name (from Greek ''επί, epi'' and ''δένδρον, dendron'', "upon trees") refers to its epiphytic growth habit. When Carl Linnaeus named this genus in 1763, he included in this genus all the epiphytic orchids known to him. Although few of these orchids are still included in the genus ''Epidendrum'', some species of ''Epidendrum'' are nevertheless not epiphytic. Distribution and ecology They are native to the tropics and subtropical regions of the American continents, from North Carolina to Argentina. Their habitat can be epiphytic, terrestrial (such as '' E. fulgens''), or even lithophytic (growing on bare rock, such as '' E. calanthum'' and '' E. saxatile''). Many are grown in the Andes, at altitudes between 1,000 and 3,000 m. Their habitats include humid jungles, d ...
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Prosthechea Glumacea
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower on ...
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Prosthechea Fausta
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower on ...
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Prosthechea Faresiana
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower on ...
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Prosthechea Calamaria
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower on ...
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Prosthechea Caetensis
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower on ...
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Prosthechea Boothiana
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower on ...
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Prosthechea Vespa
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower ...
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Prosthechea Gilbertoi
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower ...
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Prosthechea
''Prosthechea'' is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word ''prostheke'' (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. ''Prosthechea'' is abbreviated ''Psh.'' in the horticultural trade. Morphology The roots of all ''Prosthechea'' species possess a velamen (a thick sponge-like covering) differentiated into epivelamen and endovelamen. Flavonoid crystals were observed in both the roots and leaves. The erect stems form flattened or thickened pseudobulbs. There are 1 to 3 terminal, sessile leaves. The leathery blade is ovate to lanceolate. (''Euchile'' leaves are softer and thinner than other ''Prosthechea'' leaves.) The flowers form an apical, paniculate raceme with a spathe at the base of the inflorescence. There is a great variety in the flowers of this genus. They may be attached to the stem by a peduncle or they may be sessile. They can flower on ...
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Prosthechea Brassavolae
''Prosthechea brassavolae'' is a species of orchid native to Central America Central America ( es, América Central or ) is a subregion of the Americas. Its boundaries are defined as bordering the United States to the north, Colombia to the south, the Caribbean Sea to the east, and the Pacific Ocean to the west. ... and Mexico. It is cultivated by orchid fanciers. References External links brassavolae Orchids of Mexico Orchids of Central America {{Laeliinae-stub ...
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