Japan Flora: Shrub with glabrous branches becoming purplish brown with age, the prickles flat, sdpular; stipules membra­nous, brownish, entire, the free portion oblong or ovate, rounded, rarely acute or mucronate; leaflets 7-9, oblong, 2-3 cm. long, 1-1.5 cm. wide, subacute to obtuse, slightly appressed- pubesccnt to glabrous on upper side, whitish, glandular, and with appressed pubescence especially on midrib beneath; flow­ers 1-3, deep pink, 3-4 cm. across, with glabrous pedicels; calyx with a globose, glabrous tube, the lobes elongate, with white tomentum inside and on margin; fruit globose or ellip­soidal, about 12 mm. across, ad. June-July.

Hokkaido, Honshu (Shinano Prov.); rare. Sakhalin and Korea to Manchuria and e. Siberia.