Erect to ascending annual herb, 8-45 cm high. Leaves 2-9 X 0.8-4 cm, obovate to ovate or lanceolate in outline, 1-2-pinnatipartite to entire; lower leaves with a petiole to 5 cm, pinnatipartite to bipinnatipartite; upper leaves sessile, often entire; leaves with a ± dense indumentum of ± spreading setae. Axis with spreading setae; pedicel with sparse indumentum of adpressed setae. Petals 1.1-2.1 x 0.7-1.9 cm, obovate, pale red without basal spots. Stamens many, 6-10 mm; filaments filiform, black; anthers 0.7-1.6 mm,oblong. Capsule 10-18 x 4.5-7 mm, 2-2.5x as long as broad, ellipsoid to obovoid, distinctly contracted below pores; stigmatic disc with 4-7 stigmatic rays, 3.5-6 mm broad, narrower than capsule; margin of disc mostly curved upwards at maturity, mostly with dark violet marks between lobes. Seeds 0.5-0.7 mm long, brown, glaucous. Fl. 4-5. A weed by roadsides, or in open vegetation on calcareous substrate, often in ± humid habitats.
Greece, Cyprus. E.Medit. element.