♤ White buds with purple (H10/H4) tips, IX–XI; dark green foliage; height 26–30cm; spread 46–60cm.
Wild-collected; found on Ginkelse Heide near Arnhem, Netherlands, by Dr Ir T. Visser (Wageningen, Netherlands); introduced by W. Haalboom & Zonen (Driebergen, Netherlands) by 1972.
Named after Dr Visser’s wife, Marleen Visser-Kiestra.
