Japan Flora: Shrub with simple to 3-parted stout spines on the nodes, the internodes prickly; leaves suborbicular, 2-3.5 cm. in diameter, truncate to subcordate, slightly pilose to subglabrous on both sides, 3- to 5-cleft or -lobed, the lobes obtuse to subrounded, with few coarse obtuse teeth, the petioles 1.5-3 cm. long; pedicels slender, axillary, 1.5-3 cm. long, the bracts 2-3 mm. long, inserted at the mid¬dle of the pedicel; ovary glabrous to slightly pilose; calyx tubular-campanulate, the free portion about 8 mm. long, the limb twice as long as the lobes, the lobes linear-oblong, yellow-green, reflexed, rounded at the apex, glabrous inside，puberu¬lent outside; petals reddish, erect; stamens as long as the style; anthers not tipped with a gland; berry red, glabrous, sub- globose, about 12 mm. long. May-June. Mountains;

Honshu (centr. distr.); rare.