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Orchidaceae (Orchid family) is the largest family of the
flowering plants (Angiospermae). Its name is derived from the genus Orchis. The Royal Botanical
Gardens of Kew list 880 genera and nearly 22,000 accepted species, but the exact number is
unknown (perhaps as many as 25,000) because of taxonomic disputes. The number of orchid species
equals about four times the number of mammal species, or more than twice the number of bird
species. It also encompasses about 6 – 11% of all seed plants. About 800 new orchid species are
added each year. The largest genera are Bulbophyllum (2,000 species), Epidendrum (1,500 species),
Dendrobium (1,400 species) and Pleurothallis (1,000 species). The family also includes the
Vanilla (the genus of the vanilla plant), Orchis (type genus) and many commonly cultivated plants
like some Phalaenopsis or Cattleya. (Source: Wikipedia Enc., )
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