Fl. 52mm wide, facing downwards; perianth segments 22mm long, ovate to oblong, acute, greenish white 155C, tinged green at base upon opening, plane, with margins slightly and narrowly incurling, surface very lightly and narrowly ribbed, of heavy substance, overlapping at base only; the inner segments, slightly narrower; corona cylindrical, 25mm long, smooth, greenish white 155C, with light greenish yellow 4B towards base, mouth straight, ribbed and irregularly lobed, with rim flanged and dentate. Dwarf. Early