Fl. forming a double triangle, 98mm wide; perianth segments 42mm long, ovate, very broad at base, narrowing towards apex, triangular in outline, slightly mucronate, light greenish yellow, spreading, plane, with margins incurved, smooth and of membranaceous substance, overlapping half; the inner segments narrower, more nearly ovate, shouldered at base; corona 9mm long, bowl-shaped, ribbed, vivid yellow, with narrow band of yellowish orange at rim, mouth flared and frilled, with rim dentate. Sweetly scented. 

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