Fl. forming a double triangle, 90 mm wide, facing up; perianth segments broadly ovate, shouldered at base, lemon yellow, with white at base, spreading, with margins incurved, smooth and of heavy substance, with midrib showing, overlapping; the inner segments narrower; corona funnel-shaped, smooth, dull white, with a narrow band of yellow at rim and yellow at base, mouth ribbed and flared, frilled, with rim flanged and dentate. Sweetly scented.

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