White flowers, VIII–IX, borne freely on upright curving spikes; bright dark green foliage; neat tidy habit; height 16–20cm; spread 31–45cm.
Wild-collected; found at Kit Hill, near Gunnislake, Cornwall, England, by J. A. Michell by 1948; introduced by Maxwell & Beale (Broadstone, Dorset) about 1948.
Named after the hill where it was found near Gunnislake, Cornwall.