Rosa rubiginosa L.

• an upright, or sometimes climbing, prickly shrub forming dense thickets and growing 1-3 m tall.
• its stems are smooth, but armed with scattered prickles (10-15 mm long).
• its leaves are compound, with 5-7 leaflets that have sharply toothed margins.
• its sweetly-scented flowers (20-50 mm across) have five pink or white petals and are borne on stalks that are covered in sticky hairs.
• its fruit is an oval or egg-shaped fleshy capsule (15-20 mm long) that turns orange or red in colour as it matures.
• the fruit often have scattered bristles or small spines near their bases.

[From: Environmental Weeds of Australia]