White flowers, VII–VIII; mid-green foliage; shoots turning down at ends; height 10–15cm; spread 26–30cm.
Wild-collected (collector’s no. K70); found on Boreray in the St Kilda group by R. J. Brien (Pitcairngreen Heather Farm, Perth, Scotland) in 1966; introduced by R. J. Brien in 1967.
Named after the island where it was found, Boreray in the St Kilda island group, Scotland.