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.
The sepals are narrow, oblong, and blunt; and the lower petal is white.
Their sepals are narrow, about half the length of the petals.