"Gentiana /ˌdʒɛntʃiˈeɪnə/ is a genus of flowering plants belonging to the gentian family (Gentianaceae), the tribe Gentianeae, and the monophyletic subtribe Gentianinae. With about 400 species ...
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it is considered a large genus. They are notable for their mostly large, trumpet-shaped flowers, which are often of an intense blue.
The genus name is a tribute to Gentius, an Illyrian king who may have been the discoverer of tonic properties in gentians." - (en.wikipedia.org 10.10.2019)