Acanthopanax sieboldianus (eastern Asia)
(= Eleutherococcus sieboldianus)
Habit: Picturesque small shrub, 1-2m, occasionally up to 3 m tall and wide; initially upright, gradually arching down, 30 cm a year.
Flowers: Dioecious; round inflorescences, greenish white; June to July.
Fruits: Round fruit umbels, like ivy, dense with black berries, poisonous.
Leaves: Palmately cut, pinnately ovoid leaflets, early shoots in April, green; pale yellow in autumn.
Twigs: Brownish grey, with warts and some prickles.
Roots: Forming shallow roots, tending to form runners.
Demands: Sun to shade; tolerates heat, likes warmth, tolerates low humidity; resistant to urban and industrial pollution.
Soil: Very dry to moist; acidic to alkaline; all soil types.
Hardiness: Zone 5