Petrorhagia nanteuilii

Annual, glabrous or partly tomentose. Stem erect, simple or branching from base, up to 50 cm high. Leaves sessile, linear, 10–70 mm long, 2 mm wide, acute, the sheaths less than twice as long as wide. Inflorescence a dense, terminal cluster; bracts blunt or only the outer mucronate, concealing calyces; pedicels to c. 0.5 mm long; calyx 10–14 mm long, calyx-lobes short, obtuse, membranous; petals 10–13 mm long, 2–3.5 mm wide, pink or purplish, more or less emarginate; styles 2. Capsule elliptic-ovoid, c. 6 mm long; seeds brownish-black, more or less hooded, bluntly tuberculate, 1.3–1.8 mm. Flowers spring and summer.