Fl. forming a double triangle, 118mm wide; perianth segments 51mm long, very broadly ovate, blunt, mucronate, brilliant greenish yellow, spreading, plane or with margins incurling, with midrib showing, of heavy substance, overlapping half; the inner segments narrower; corona 34mm long, funnel-shaped, ribbed, orange paling to at base and deepening to at rim, mouth straight, wavy and lobed, with rim crenate. Sunproof. Sweetly scented.