The sepals are green and much smaller than the white petals.
The calyx is tightly closed, although the tips of the sepals are spread widely.
Stamens 5, inserted on the sepals, with double or irregular anthers.
Calyx inferior, funnelform, with 4–5 sepals as long as the corolla.
They occur normally in the sepals of Paronychia serpyllifolia and other plants.
The ten ridges are placed opposite to the sepals and petals.
One of the sepals in this flower was adherent to one of the lateral petals.
In a variety of the species, however, the sepals and petals are six in number.
There are only two sepals, and they generally drop very early.
The five sepals have long points, and the five petals are slightly notched.