Fl. forming a double triangle, 110 mm wide; perianth segments very broadly ovate, blunt, more or less prominently mucronate, spreading, slightly concave, smooth, overlapping half; the inner segments more narrowly ovate, shouldered at base, a little inflexed, with margins slightly wavy; corona straight- sided, smooth, with green at base, mouth expanded and lightly frilled, with rim crenate. Resembles a whiter ‘Snowshill’ with the corona more definitely frilled.