flower is a deep reddish-orange with a flat bloom.
CSJNSW December 1983
RHS Wisely supplied this plant to the Australian Botanical Gardens in 1969. Possibly a US cultivar. Edwin B. Hoare referred to it as 'Vermilion Rose'. This is likely the 'South Orange' that features in many of Edwin B. Hoare's cultivars and definitely not the Griffin cultivar. 1969.