Rosa L. >
Stipules broad, fused to petiole for most of its length. Hypanthium fleshy enclosing achenes to form a hip Rosa Leaflets glandular hairy underneath, fragrant when rubbed. Peduncles with glandular hairs and prickles. Petals pink. Hip ovoid or cylindrical, often prickly. Erect or scrambling shrub to 3 mm high. Widespread. Weed in vacant land. Introd. from Europe. Sweet Briar Rosa rubiginosa