The Sweetbriar Rose, Rosa rubiginosa.
This plant is an introduced species from Europe. This plant in particular has been growing next to the foundation of our house for years and this is it’s first flower. It has taken me two or three days to differentiate and identify the plant from R. canina. The decision was made on the leaves slightly smelling of apples and the calyces stalked glandular hairy. 
“A rose by any other name...”
''Rosa rubiginosa'' is a species of rose native to Europe and western Asia.
It is a dense deciduous shrub 2–3 m high and across, with the stems bearing numerous hooked prickles. The foliage has a strong apple-like fragrance. The leaves are pinnate, 5–9 cm long, with 5-9 rounded to oval leaflets with a serrated margin, and numerous glandular hairs. The flowers are 1.8–3 cm diameter, the five petals being pink with a white base, and the numerous stamens yellow; the flowers are produced.. more
