Pink family (Caryophyllaceae)
Perennial with slender, creeping stolons. Stem 4-angled, ascending, of height 15-30 cm. Leaves opposite, lanceolate, with long point, of size 4-8 cm x 5-7 mm, stiff, partly evergreen and with fine-toothed margins. Inflorescence in the form of a 2-branched, multi-flowered, 2-branched cyme. 5-section radial flower of diameter 18-30 mm. Petals white, cleft to mid-point, twice as long as calyx segments. Flowers Apr.-Jun.
Grows in oak-lime-hornbeam, riparian and mixed/coniferous forests.
Descriptions devised by the team at the Independent Department of Forest Botany, Warsaw University of Life Sciences, i.e. L. Witkowska-Żuk, K. Marciszewska, W. Ciurzycki, A. Obidziński and P. Zaniewski