Fl. forming a double triangle, 104mm wide; perianth segments 40mm long, very broadly ovate, blunt, yellow, with prominent white mucro and white at base, spreading, plane, smooth and of membranaceous substance, overlapping half; the inner segments, ovate, shouldered at base; corona 30mm long, cylindrical, angled, yellow, with green at base and pink at rim, mouth straight, ribbed and even, with rim crenate and narrowly flanged. Late