Fl. forming a double triangle, 92 mm wide; perianth segments very broadly ovate, blunt, soft lemon yellow, with slight white mucro and with a touch of white at base, spreading or a little reflexed, somewhat concave, smooth, overlapping one-third to a half; the inner segments square-shouldered at base, more nearly spreading, with margins wavy; corona funnel-shaped, broadly ribbed, whitish pink, with undertones of lemon yellow, becoming darker pink at rim, mouth closely ribbed and a little expanded, frilled, rim notched and minutely crenate.