Fl. rounded, 110mm wide; perianth segments 46mm long, broadly ovate, blunt, mucronate, white, spreading, plane, creased and of membranaceous substance, overlapping half or more; the inner segments a little narrower; corona 12mm long, shallow bowl-shaped, smooth, yellow, blending into a band of orange at rim, mouth ribbed, wavy and sometimes lobed, with rim crenate. 

Named for a dear, life-long friend.

There are no photos of "Ruudi" in Daffseek.