Fl. forming a double triangle, 100 mm wide; perianth segments broadly ovate. shouldered at base, blunt at apex, luminous greenish yellow, with slight white mucro, spreading, plane, smooth and of heavy substance, overlapping half; the inner segments more narrowly ovate, a little inflexed; corona funnel-shaped, angled, strong orange, with a slightly paler tone at base, mouth expanded and lightly ribbed, a little frilled, with rim crenate. Resembles ‘Uncle Duncan’ but with stronger coloring.