Gentianella campestris

Gentianella campestris, common name field gentian, is a herbaceous biennial flowering plant in the Gentianaceae (gentian family).
Description.
 "Gentianella campestris" is a plant of small size, reaching on average in height. It has erect stems, simple or branched at the base and the leaves are opposite, ovate-lanceolate and unstalked. The flowers are in size. Their color is usually bluish-purple, but may be white, pink or lilac, with petals and sepals fused (gamopetalous and gamosepalous). There are four petals, ciliate at the base. There are also four sepals, which differ in size (two are wide and two narrow). The flowering period extends from June to October. The fruit is a capsule.
Distribution.
Field gentian is widespread in northern, central and southern Europe and its distribution range includes the European Alps and the Jura.
Habitat.
This plant prefers moderately moist to rather dry substrates and neutral or acid soils of alpine meadows, lawns, pastures, forest clearings and roadsides, at an altitude of above sea level. On the Isle of Man the species is found, and flourishes at sea level on the Ayres National Nature Reserve.