Fl. rounded, 95 mm wide; perianth segments very broadly ovate, blunt, brilliant yellow, with slight white mucro, spreading, concave, smooth and of heavy substance, overlapping half; the inner segments a little narrower, with margins occasionally nicked at mid-point; corona bowl-shaped, ribbed, slightly deeper in tone, with a broad band of strong orange at rim, mouth widely expanded, wavy, with rim irregularly notched and crenate.

There are no photos of "Rakuou" in Daffseek.