Fls averaging 4 per stem, rounded, 60 mm wide; perianth and other petaloid segments in several whorls, white; the outer whorl very broad, truncate, some with prominent mucro, spreading, overlapping half or more; the inner whorls inflexed, sometimes touched yellow or orange at midrib, with margins wavy or incurled; the center whorl short, strongly inflexed, with margins tightly incurled; corona segments shorter than the center whorl and clustered among them, orange. Strongly scented.

Named in honor of Sir Winston Churchill. He was Prime Minister of the United Kingdom from May 1940 to July 1945, when he led the country to victory in the Second World War. Also was Prime Minister again from October 1951 to April 1955.