Fl. forming a double triangle, 87mm wide; perianth segments 36mm long, very broadly ovate, blunt, with scarce pale mucro, slightly reflexed, plane, smooth and of heavy substance, overlapping half or more; the inner segments narrower, more nearly plane; corona 34mm long, narrow funnel-shaped, smooth, mouth straight, even and frilled, with rim flanged and minutely crenate. Early