Korea Flora: Deciduous shrub. Height 1.5m. Winter buds and branchlets: Circular or ovoid, small, with rounded or slightly pointed tips, 1-2mm long, with 4-6 bud scales. Leaf scars semicircular or heart-shaped. Branch tips grow long and die, with dried inflorescences remaining attached. Branchlets are quadrangular with stellate hairs.  Leaves opposite, spoon-shaped oblong or spoon-shaped, acuminate apex, cuneate base, 3-9cm × 1.5-4cm. Upper surface dark green with stellate hairs on the midrib, lower surface light green with glands and stellate hairs on veins, margins toothed from the lower 1/3. Petiole 2-4mm long. Flowers 2mm long, pale purple, in cymes in leaf axils with 10-20 flowers. Peduncle 1-1.5cm long with stellate hairs. Calyx glabrous, 4 stamens 5mm long, style as long as stamens. Fruit and seeds: 3-4mm in diameter, round, purple. 

Flowering: August

Fruiting: Early to late October

Distribution: South-central China, Taiwan, southern Honshu, Shikoku, and Kyushu in Japan; Coastal areas of Gyeonggido,  Chungcheongnamdo, Jeollanamdo, and Gyeongsangnamdo in Korea.

Taxonomic note: Nakai reported its distribution in Jeju Island, Bogildo Island, and Gyeonggido, but it is mainly collected in Gyeongsangnamdo, Jeollanamdo, and coastal areas of Gyeonggido and Chungcheongnamdo.

Japan Flora: Deciduous shrub with slender purplish branches, minutely stellate-hairy while young; leaves rather thick, obovate-oblong or obovate, 3-6 cm. long, 1.5-3 cm. wide, abruptly acuminate, cuneate to acute at base, loosely puberulent above and on nerves beneath, coarsely serrate near tip, the petioles 1-4 mm. long; cymes supra-axillary, 10- to 20-flowered, the peduncles 1-1.5 cm. long; corolla pale purple, glabrous, about 3 mm. long; anthers broadly ellipsoidal, about 0.6 mm. long; fruit about 3 mm. across, purple. July-Aug.

Honshu (Rikuchu Prov. and westw.), Shikoku, Kyushu. Korea, Ryukyus, Formosa, and China.