Robuta

https://www.rhs.org.uk/plants/108523/gentianella-cerastioides/details

Gentianella cerastioides | /RHS

Find help & information on Gentianella cerastioides from the RHS

gentianella rhs

https://species.wikimedia.org/wiki/Gentianella_caucasea

Gentianella caucasea - Wikispecies

gentianella wikispecies