Fl. about 105 mm wide; perianth segments very broadly ovate in outline, blunt or squarish at apex, slightly mucronate, spreading, plane, of great substance, overlapping half; the inner segments more narrowly ovate, square-shouldered at base, only very slightly mucronate, inflexed at base, reflexed at apex; corona cylindrical, smooth, with mouth expanded and even, rim rolled and crenate.
There are no photos of "Shannon" in Daffseek.