Rubus vallisparsus, Sudre

62. R. vallisparsus Sudre View in CoL , Bull. Soc. Étud. Sci. Angers 35: 42 (1906).

Luxuriant; stems long, terete to obtusely angled, becoming white-pruinose, glabrescent, scabrid, slightly glandular, with unequal, rather short, deflexed or falcate prickles. Leaflets 3(-4), rather large, bright green and glabrescent above, green and glabrescent or slightly tomentose beneath; terminal leaflet ovate to elliptical, twice as long as its petiolule, acuminate, subcordate, variably serrate. Inflorescence pyramidal, truncate, leafy, the axis tomentose and sparsely pubescent, glaucescent below, with short, purple or deep red glands, and strong to medium patent or curved prickles. Sepals patent to erecto-patent in fruit, green, tomentose, acuminate, aculeolate, with short glands; petals ovateelliptical, emarginate, not contiguous, pink; stamens white, becoming reddish, not much exceeding styles; styles yellowish, becoming red; receptacle glabrescent; carpels pubescent. 2« = 28. N. W. & C. Europe. Au Be Br Ga Ge He Hu Rm.

Related species include:

R. alnicola Sudre , Bull. Acad. Int. Géogr. Bot. (Le Mans) 12: 62 (1903). Ga. Treated by Sudre as a subspecies of R. vallisparsus , but according to Gustafsson perhaps a diploid species; it occurs in the Pyrenees.

R. glaucellus Sudre , Bull. Assoc. Fr. Bot. 1: 91 (1898). C zG a Ge He Hu Po.

R. persanimontis E. I. Nyârâdy in Sävul., FI. Rep. Pop. Romane 4: 920(1956). Rm.

Series Histrices Focke. Prickles very unequally distributed over the stem and showing a gradual transition into pricklets of varying lengths, acides and stalked glands.

R. lasquiensis Spribille , Verh. Bot. Ver. Brandenb. 41: 214 (1900), is a member of Ser. Histrices', it occurs in Poland, and its affinities are not known further.