Fl. rounded, 93mm wide; perianth segments 40mm long, very broadly ovate, blunt, sightly mucronate, white, spreading, plane, with margins slightly incurling, with midrib faintly showing, of heavy substance, overlapping half or more; the inner segments narrower, truncate and scarcely mucronate; corona 40mm long, funnel-shaped, angled, brilliant greenish yellow 5A, mouth ribbed, wavy and slightly flared, with rim crenate. Early to mid-season