Fls 2-3 per stem, rounded, 85 mm wide, facing down; perianth segments oblong, rounded at apex, pure white, slightly reflexed, plane, margins a little recurved, smooth, heavy substance, overlapping a quarter; inner segments narrower; corona bowl-shaped, angled, deep lemon yellow, mouth ribbed, straight, wavy, with rim crenate.

Named in recognition of the 10th anniversary of the twinning agreement between Omagh and L’Hay les Roses in France.