Amethyst (H1) flowers, VII–X; yellow-green foliage throughout the year, young shoots with bronze tips in spring; height 10–15cm; spread 46–60cm.
Wild-collected; found on Chobham Common, Surrey, England, about 1960 by Anne Berry; introduced by G. Underwood & Son (Hookstone Green Nursery, West End, Woking, Surrey) by 1963.
Named after Anne Berry who was an employee of G. Underwood & Sons (Chobham, Surrey).
The spelling of the cultivar name is here corrected, as permitted under the International Code of Nomenclature for Cultivated Plants (8th edition, 2009), Article 35.3, to correct the unintentional mistake (“Ann Berry”) in the original spelling.