Fl. forming a double triangle, 93mm wide, facing upwards; perianth segments 40mm long, broadly ovate, blunt, mucronate, brilliant yellow 13C, spreading, concave, with margins narrowly incurling, with midrib showing, of heavy substance, overlapping half; the inner segments narrower, scarcely mucronate; corona 21mm long, cup-shaped, ribbed, brilliant yellowish orange (23B) with vivid yellowish orange (23A) at rim, mouth expanded, frilled and lobed, with rim minutely crenate.  Sweetly scented.

Gaelic, meaning “Mairi from Dell;”

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