Fl. forming a double triangle, 96 mm wide; perianth segments very broad, truncate, mucronate, shouldered at base, light yellow, spreading, concave, with margins incurved, creased and of heavy substance, overlapping; corona cup-shaped, ribbed, vivid yellow, with a lighter tone at base and with yellow-orange at rim, mouth expanded, deeply lobed and frilled, with rim deeply notched. Sweetly scented.

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