Fl. 100mm wide; perianth segments 42mm long, broadly ovate, blunt, mucronate, a little reflexed, plane, creased and of heavy substance, overlapping half; the inner segments narrower, scarcely mucronate, more nearly spreading, with margins somewhat incurved; corona 40mm long, cylindrical, angled, mouth expanded, broadly ribbed, wavy, shallowly lobed, with rim entire. Late.
There are no photos of "Upton Broad" in Daffseek.