(Petrorhagia nanteuilii)
It is an erect plant, annual of up to 50 cm, with leaves pairs linear-lanceoladas, of 6-8 mm of width, fused in its base. Flowers pink or purple color, 6-8 mm in diameter, in dense inflorescences surrounded by bracts scarious brown. Heart of the petal . It blooms from late spring and throughout the summer.