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How many genera and species are found in Gentianales?
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Gentianales
Great yellow gentian (Gentiana lutea) plants in bloom.
The order Gentianales comprises five families of flowering plants, which collectively include 1,121 genera and more than 20,000 species.1
The order consists of the following families:
* Gentianaceae
* Rubiaceae
* Apocynaceae
* Loganiaceae
* Gelsemiaceae1
Among these, the Rubiaceae family is particularly notable for its diversity, accounting for 611 of the genera and over 13,150 of the species within the order.2