Gentianella campestris is easily identified, by having a four-lobed corolla, and a four-lobed calyx, two (opposite) lobes of which are larger than the other two.
Main flower color:
Mainly in Scotland and northern England; only a very few places further south
Up to 10 cm
Grassland, neutral or acidic; also dunes
About 10 mm in diameter; a tubular pink corolla with four lobes, each fringed with thick hairs at the base. The hairless calyx lobes are unequal in size, one opposite pair is significantly longer (and wider) than the other. The calyx lobes are lined by tiny teeth. The corolla tube is about as long as the calyx
Opposite, narrowly ovate, well-separated
July to October