Silene vulgaris can be distinguished from silene latifolia by having three styles rather than five, and by the lack of hairs on the calyx. Compared with silene uniflora it has rather narrower petals, and forms larger flower clusters.
Main flower color:
All of the British Isles; most common in the south
Up to 80 cm
Dry grassland, especially on calcareous or sandy soils
The corolla is white, with five deeply divided lobes, sometimes slightly different in size, while the calyx is (usually) hairless, and inflated, crossed prominent veins, initially light green, ageing to purple. Three purplish styles project from the corolla. Flowers are arranged in clusters, of a dozen of more heads
Opposite, ovate, greyish-green
June to August