It is an annual or perennial herb producing a narrow stem lined with fleshy linear leaves. The small flowers are 8 to 12 mm across with five petals which are usually slightly longer than the sepals.Parnell, P. and Curtis, T. 2012. Webb's An Irish Flora. Cork University Press The five petals are oval white or pink-tinged. The tiny seeds have winged margins. It has 10 stamens.Clapham, A.R., Tutin, T.G. and Warburg. 1968. Excursion Flora of the British Isles. Cambridge University Press.
