Japan Flora: Nearly unarmed shrub, the branches soft-pubcscent while young, the flowering canes very short; leaves broadly ovate to ovate-orbicular, 3-7 cm. long, 3-6 cm. wide, acute, cordate at base, irregularly duplicate-toothed, 3- to 5-cleft, short-pubescent on nerves on both sides, the petioles pubescent; flowers solitary, the pedicels densely pubescent, 8-12 mm. long; calyx appressed-pubescent, the segments narrowly ovate, 6-8 mm. long, acute; petals ovate-orbicular, longer than the calyx­lobes; carpels slightly pubescent; fruit globose, the fruitlets glabrous; stones pitted. Mar.-Apr. Near seashores. (hybrid of R. ribesoideus x R. palmatus)

Hon­shu (Izu Isis.), Kyushu.