Silene, (Boiss.) Schischkin. Annual

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 175

Sect. Rigidulae (Boiss.) Schischkin .

Annual; stems branched, rigid, often filiform, viscid above. Cauline leaves usually fasciculate. Inflorescence very lax, composed of divaricately branched equal dichasia; pedicels usually 1-4 times as long as calyx. Calyx not inflated or contracted at m outh in fruit. Seeds broadly reniform, with flat or slightly convex faces.