Fl. 104mm wide; perianth segments 41mm long, ovate, blunt, deep yellow with slight white mucro, spreading, plane, margins narrowly incurling, with midrib showing, of heavy substance, overlapping one-third to a half; the inner segments narrower, shouldered at base, truncate, scarcely mucronate; corona 25mm long, cup-shaped, smooth, reddish orange, mouth a little expanded and wavy, with rim crenate.

Acronym of Omagh Gardening Society.

There are no photos of "OGS" in Daffseek.