4 favorite votes.  

White, near white or white blend Hybrid Tea.
Registration name: White Joy
Exhibition name: White Joy

Bred by Frank Spanbauer (United States, 1950).

Hybrid Tea.  

White.  Moderate fragrance.  55 to 65 petals.  Average diameter 4.5".  Large, very full (41+ petals), flat bloom form.  Pointed buds.  

Bushy, upright.  Leathery foliage.  

United States - Patent No: PP 1,048  on  13 Nov 1951   VIEW USPTO PATENT

Patent states both seed and pollen parents were unnamed white seedlings.