What is "gentianella"

Gentianella \Gen`tian*el"la\, n. [See Gentian.] A kind of blue color.
--Johnson.

n. (context botany English) Any of the genus ''Gentianella'' of dwarf gentians.

Gentianella is a plant genus in the gentian family (Gentianaceae). Plants of this genus are known commonly as dwarf gentians.

There are about 256 species in this genus. They are perennial herbs that occur in alpine and arctic habitat types. They are distributed in the Americas, Eurasia, northern Africa, Australia, and New Zealand.