Rubus ulmifolius Schott
A perennial shrub-like plant which forms impenetrable thickets. Stems angular, pubescent, decumbent or arching, up to 3 m long; covered in stout, backward-pointing prickles. Leaves pinnate, with 3 to 5 leaflets. Leaflets 5 to 10 cm long, ovate to obovate, serrated; the upper surface dark green, the underside densely white-tomentose. Petioles with prickles. Flowers 2 to 3 cm across, in an elongated panicle; petals 5, pink sometimes with a whitish base. Fruit a tight cluster of 20 to 50 small drupes, at first red, then turning shiny black.
Local: Not common in Gibraltar. Found mainly along Engineer Road, above Vineyards, on the north side of the walls below the Moorish Castle and along the Northern Defences.
Global: Found throughout western and southern Europe, north Africa, and south-west Asia. Has also become naturalized in parts of the United States (especially California), Australia, and southern South America.
Flowers from (May) June to July (August).
Grows in thickets, roadsides and banks.