Primulina ‘Vertigo’. 2005, IR05923, Peter Shalit, WA, (P. subrhomboidea x P. sclerophylla). Cross made 2001. Sterile, reproducible only vegetatively. Flat rosette. Leaves slightly bullate, two-toned dark green (139A) with medium silver green (138C) center and veins, 130-140 mm long x 85-90 mm wide with 38-40 mm petiole, ovate-elliptic with serrate margin, acute tip and cuneate base. Calyx dark olive green, 6 mm long. Pedicel 11 mm with 5-7 flowers per peduncle. Corolla salverform, 27 mm long x 15 mm wide, dark lavender 87A. Similar to C. sclerophylla but much larger, more floriferous and easier to grow. First mentioned 2003, CrossWords 27 (2). Pict.Gloxinian 56 (2) 33.