Appearance
It is an epiphytic and occasionally a lithophytic plant, forming spectacular root bundles. Its cylindric pseudobulbs can grow to a length of 2.5 m. It can grow to gigantic clusters weighing from several hundred kilograms to more than one ton.Each raceme can grow to a height of 3m, bearing up to eighty flowers, each 10 cm wide. The flowers are yellow colored with maroon or dark red spots. These flowers are remarkable, since the lowest flowers have no lip and these flowers function as osmophores for the entire inflorescence and continue to emit chemical scent to attract pollinators as flowers open in succession. It blooms only once every two to four years. This orchid can, however, remain in bloom for up to two months. In addition, this plant has been found to have potential medicinal benefits; for example one research article by Harikarnpakdee and Chowjarean found it specifically aided in wound healing in humans.
Naming
*Giant orchid, not to be confused with ''Orthochilus ecristatus'' Rolfe or ''Barlia robertiana'', both of which are also commonly called the giant orchid.⤷ Tiger orchid, not to be confused with ''Rossioglossum grande'' or ''Maxillaria'' species, both are also called tiger orchid.
⤷ Queen of the orchids, not to be confused with ''Cattleya'' species
⤷ Sugar cane orchid, for its resemblance to a sugarcane plant of the genus ''Saccharum''
Distribution
It is native to New Guinea, Indonesia, Malaysia and Philippines, growing in crotches of large trees on exposed areas of the lowland tropical rainforest.Habitat
Because of its enormous size, it is rarely cultivated as this species is usually too large to be accommodated in most greenhouses. Cultivated specimens of this species are always grown as terrestrials, as the plants grow as both an epiphyte and terrestrial in habitat.References:
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