Fls 2-3 per stem, 85mm wide, facing down; perianth segments 40mm long, ovate, blunt, mucronate, light yellow, reflexed, convex, with midrib showing, of heavy substance, overlapping at base only; the inner segments a little narrower; corona 18mm long, split to base, the six segments opposite to and a little narrower than the perianth segments, brilliant yellow-green, with light yellow 10C at base and light greenish yellow at rim, 3-lobed, neatly ribbed, reflexed, with margins a little wavy. Sweetly scented.

Has also been known as ‘Wild Thing’, Outer Space’, ‘Green Ghost’ and ‘Unbelievable’.