Perianth segments broadly ovate in outline, blunt or rounded at apex, only very slightly mucronate, brilliant yellow, spreading, concave either side of raised midrib, overlapping half; the inner segments narrower, slightly inflexed, ribbed, with margins slightly wavy; corona cylindrical, short, ribbed, vivid yellow, shading to light orange in places at rim, with mouth straight, closely frilled Scented.

There are no photos of "Seonnac" in Daffseek.