1 favorite vote.  

Yellow blend Hybrid Tea.
Registration name: Rotary-Lyon

Bred by César Chambard (France, before 1935).
Introduced in France by C. Chambard in 1936 as 'Rotary-Lyon'.
Introduced in Australia by Hazlewood Bros. Pty. Ltd. in 1938 as 'Rotary-Lyon'.

Hybrid Tea.  

Golden-yellow, carmine-pink shading, yellow reverse.  Mild fragrance.  Very large, semi-double to double, borne mostly solitary, cupped bloom form.  Blooms in flushes throughout the season.  Long, pointed buds.  

Few or no prickles/thorns, upright, well-branched.  Dark green foliage.  

USDA zone 6b through 9b (default).