♤ Buds mauve (H2) at tips fading to pale lilac (H4), IX–XI; dark green foliage; erect; height 26–30cm; spread 46–60cm.
Wild-collected; found on Ginkelse Heide, near Arnhem, Netherlands, by Dr Ir T. Visser (Wageningen, Netherlands) before 1972; introduced by W. Haalboom & Zonen (Driebergen, Netherlands) by 1972.
Named after the finder, Dr T. Visser [Ericultura 60: 17 (1986)]