Stems 10-15cm in height. Basal leaves two, semi-cylindrical and hollow. Stem leaves one to three, oblong-lanceolate. Flowers two to four, in umbellate clusters, green in bud, opening yellow, 2-2.5cm across, the tepals lanceolate to narrowly so. Sweden to north-eastern France, eastwards to Yugoslavia and the Ukraine, in woodland and scrub.