Japan Flora: Shrub; branches not angled, short-pubescent while young; leaves ovate to broadly so or rhombic-oblong, 2-4 cm. long, 8-20 mm. wide, obtuse to subacute at apex, cuneate, obtuse, or rounded at base, irregularly incised-toothed, sometimes obso lctely 3-lobed, pubescent above while young, with pale yellow­ish appressed pubescence beneath, the nerves and veinlets impressed above, prominently raised beneath, the petioles 3-6 mm. long, pubescent; inflorescence solitary on short branch- lets, short-pubescent, rather many-flowered; pedicels 10-15 mm. long; flowers white, 6-8 mm. across; calyx pubescent, the teeth spreading, deltoid, acute, thinly puberulent with short brownish soft hairs or nearly glabrous within; disc short-pubescent; fruiting carpels glabrous or hairy on ventral side. Apr.-June. 

Honshu (Kinki Distr.), Shikoku, Kyu­shu.

var. angustifolia (Yatabe) Ohwi. Fruiting car­pels thinly hairy all over. Honshu (Kinki Distr. and westw.), Shikoku, Kyushu. China.