(15). Biennial with simple or branched stems to 20cm in height. Compact basal rosettes persist until flowering time unlike those of its close relative, S. tridactylites. Leaves cuneate with two to five broad, short, triangular teeth near their apices. Spikes of white flowers, petals 5mm long. Botanists recognise two subspecies, adscendens and parnassica. Found throughout the mountains of Europe and North America. Rarely grown in gardens, having only modest charm.