Fl. 105 mm wide; perianth segments 40mm long, very broadly ovate, blunt, mucronate, brilliant yellow spreading, plane, smooth and of heavy substance, overlapping half; the inner segments narrower, shouldered at base, less prominently mucronate; corona 40mm long, cylindrical, smooth, brighter in tone than the perianth, with mouth flared, broadly and lightly ribbed, wavy, with rim split and overlapping in places. Listed as ‘Pacha’ in 1995 Jackson catalog.