Rubus plicatus, Weihe & Nees

12. R. plicatus Weihe & Nees View in CoL , Rubi Germ. 15 (1822).

Stems erect, angled, glabrous, with falcate or deflexed, slender, yellow or crimson prickles. Leaflets 5-7, plicate, hairy on both surfaces, the lower surface sometimes almost grey-tomentose; terminal leaflet broadly ovate-cordate, rather shortly acuminate, coarsely and unevenly serrate; basal leaflets subsessile. Inflorescence racemose-corymbose, bearing only a-few prickles. Sepals concave, cuspidate, patent, green, with a white margin; petals abruptly clawed, white or pink; receptacle densely hairy; carpels glabrous. Fruit black. 2« = 28. Heaths and upland woods. C. & N. W. Europe, extending to Italy and Bulgaria. Au Be Br Bu Cz Da Ga Ge Hb He Ho Hu It Ju No Po Rm Rs (C, W) Su.

Related species include: R. ammobius Focke , Syn. Rub. Germ. 118 (1877). Da Ge.

R. bertramii G. Braun ex Focke , op. cit. 117 (1877) ( R. biformis Boulay ). 2zi = 28. Be Br Da Ga Ge.-

R. opacus Focke in Alpers, Verz. Gefässpfl. Landdr. Stade 25 (1875). 2zi = 28. B r C z G a G e H o.