What you want to ask is what does Gentiana look like? Inflorescence is long-branched, calyx tube is spherical, corolla is thin, white, light blue and lavender.

According to the query of planting net, flower characteristics: flowering in August-September, long inflorescence, spherical calyx tube, thin corolla, white, light blue and lavender. Fruit characteristics: the fruit will bear fruit after flowering. Capsules are mostly spherical or ovoid, 4-5 mm in diameter, and the seeds are brown strips.