White flowers, VIII–IX, in long spikes; clear green foliage; completely prostrate; height < 10cm; spread 31–45cm. Distinctive.
Wild-collected; found near Loch Fyne, Argyll, Scotland, by Mr Graham, a forester, during the 1930s; named by David McClintock in 1977; introduced commercially by J. Hall (Windlesham Court Nursery, Surrey, England) by 1978.
Name alludes to the flower colour and habit.