Rubus infestus, Weihe ex Boenn.

55. R. infestus Weihe ex Boenn. View in CoL , Prodr. FI. Monast. 153 (1824).

Stems erect at first, then arching, becoming brownish-red, angled, with plane or sulcate faces, glabrous or sparsely hairy, not pruinose, with a few glands and acides and often many unequal prickles, the largest prickles strong, curved and sometimes touching or coalescing at base. Leaflets 5, dark green and glabrescent above, pubescent to grey-green tomentose beneath; terminal leaflet ovate to broadly ovate, acuminate, subcordate, coarsely serrate. Inflorescence short, few-flowered, often leafy to the apex; axis sparsely hairy, with crowded, strong, unequal, straight or hooked prickles; pedicels long, tomentose. Sepals patent or appressed to the young fruit, green, hairy, glandular and aculeolate, with white margins; petals 5-7, orbicular or ovate, white or pale pink; stamens white at first, becoming red, and concealing the yellowish or green styles; receptacle pubescent; carpels glabrous. 2« = 28. From Ireland and N. France to Poland. Be Br Cz D a G a Ge Hb Po.

Related species include:

R. babingtonii Bell Salter , Ann. Nat. Hist. 15: 307 (1845). Br

D a Ga. R. cunctator Focke, Syn. Rub. Germ. 281 (1877). Au Lu.