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One in five plant species on the list is an orchid, and, with 2,856 species, the Orchidaceae family is more diverse than the next seven-largest plant families combined.

However, the orchid family, known as Orchidaceae, is the largest flowering plant family on earth, with more than 20,000 species.

Comparison of the 4 groups revealed 474 gene families unique to Orchidaceae and which exist in all 3 Orchidaceae species.

“Orchidarium II” and “Orchidaceae” depict multiple orchids in bloom, in panel displays that look as though they belong in a natural-history museum.

The Orchidaceae are a family of perennial plants with one fertile stamen and three-petalled flowers that, depending on the species, can be anything from pale specks to voluptuous masses.