25/2/2016
ENGLISH PAGE Mixed Prepositions 17
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Mixed Prepositions 17
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Orchids are the largest and most diverse
the flowering plant families, with
over 800 described genera and 25,000 species. Some sources give 30,000
species, but the exact number is unknown since classification differs greatly
the academic world. Revisions of different genera occur
monthly basis and this will increase
the growing use
a
genetic
research and biochemistry. More than 100,000 hybrids and cultivars, produced
horticulturists, have been created
species
the introduction of tropical
the 19th century. The Kew "World Checklist of Orchids" includes
about 24,000 accepted species. About 800 new species are added each year.
Orchids, along
grasses, are considered examples
advanced (derived) floral evolution through their interactions
and their symbiosis
the most
pollinators
orchid mycorrhizal fungi.
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25/2/2016
ENGLISH PAGE Mixed Prepositions 17
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