16 favorite votes.  

Mauve or mauve blend Floribunda.
Registration name: Amy Vanderbilt (floribunda, Boerner 1956)

Bred by Eugene S. Boerner (United States, before 1956).
Introduced in United States by Jackson & Perkins Co. (Newark, NY) in 1956 as 'Amy Vanderbilt'.
Introduced in Australia by Hazlewood Bros. Pty. Ltd. in 1959 as 'Amy Vanderbilt'.

Floribunda.  

Lavender - lilac.  Moderate, tea fragrance.  70 petals.  Average diameter 3".  Medium, very full (41+ petals), cluster-flowered, in small clusters, cupped-to-flat bloom form.  Blooms in flushes throughout the season.  Large, rounded buds.  

Bushy, upright.  Medium, glossy, dark green foliage.  5 to 7 leaflets.  

Height: up to 39" (up to 100cm).  

USDA zone 6b through 9b (default).  Can be used for cut flower or garden.  

United States - Patent No: PP 1,585  on  26 Mar 1957   VIEW USPTO PATENT
Application No: 599,890  on  24 Jul 1956

Source: Amy Vanderbilt