Shrubs 0.5-3 m tall, deciduous and many branched. Branchlets minutely pilose to pubescent or puberulent. Petiole 1-2 mm, glabrous or pubescent; leaf blade oblong, oblong-lanceolate, elliptic, ovate to long obovate-elliptic, or oblanceolate, 0.8-6 X 0.4-2.5 cm, papery, scattered pilose to glabrous or sparsely pubescent, base cuneate or broadly so, apex acute or obtuse, mucronulate, sometimes slightly retuse; primary veins 3-5(-7) on each side of midvein, often obscure or abaxially slightly raised. Panicles terminal, 1.5-4 X 1.5-3 cm, densely flowered. Pedicel absent to 2 mm, puberulent, pubescent, or glabrous. Calyx 1-2 mm, puberulent, pubescent, or glabrous. Corolla 5-10 mm; tube 1.5-2.5 X as long as lobes. Stamens reaching about middle of corolla lobes; anthers lanceolate, 2-3 mm. Fruit purple-black, subglobose to broadly ellipsoid, 5-8 X 4-6 mm. Fl. May-Jun, fr. Aug-Oct. 2n = 46*.
Thin woods and thickets in lowland and hills all over Japan. Hills, gullies and woods; at elevations from 100-600 metres in China. Woodland and forest edges, roadways, old fields and disturbed areas in moist to dry-mesic conditions.
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