From Botanica's Roses (1999) pg. 370:
Flowers arranged in tight clusters
large mossy buds, very full and double, can reach 3" across when fully open
Fragrant
rich cerise brushed and highlighted magenta and pink
sturdy shrub w/stems well covered with purplish mossy stubble
Dark green oval leaves
Zones 5-10
Pernet, France 1877
Parentage Unknown

From DK books, "The American Rose Society Encyclopedia of Roses", (2003), pg. 238:

Perenet pere, France, 1877
Scent: Strong and sweet
Once-blooming
HxW: 4.9' x 3.3'
Hardiness: Zone 5
Blooms are very full of petals, crimson at the center, then mid-pink at the edges. Flowers start cupped and eventually open out almost flat.
Flowers can come singly but most often in clusters of up to 5.
Khaki colored mossing on buds, sepals, receptacles, & flower stems
Thin shiny leaves suggestive of China ancestry
Petals reflex at edges also suggests China ancestry
slender stems covered in red bristles when young
lax growth habit, with flowers that can hang down among the leaves
Growth habit is improved by careful pruning and training.
Grows well in poor soil.