Phellodendron amurense var. sachalinense

Planted: 1931

This tree is in the centre of the Chinese and Japanese section.

Distribution:	Native to Sakhalin (a Russian island), Korea, northern Japan and western China.
Planting Date:	1931 purchased from Thomas Smith, Daisy Hill Nursery, Newry, Northern Ireland.
Growth Habit:	Deciduous tree, , fast growing, vase-shaped.
Bark:	Bark dark brown, slightly fissured and finally broken into thin plates. Bark is less cork like than #59 Phellodendron amurense.
Leaf:	Leaves opposite, pinnately compound (odd), 7 to 11 leaflets. Ovate to ovate-oblong, 6 to 12 cm long. Tip acuminate, base rounded or wedge-shaped. Dull green above, hairless (glabrous) below. Yellow in autumn.
Flowers:	Flowers yellow-green, in glabrous clusters (panicles), 6 to 8 cm long.
Fruit:	Fruit about 1 cm across, blue-black.
Toxicity:	High doses can cause nausea & vomiting.
Potential tree size	12 m tall
Uses:	Used for furniture, the interior finish of buildings.
Plant Hunter:	(Carl) Friedrich Schmidt (1832-1908), a botanist in the Russian Empire visited Sakhalin in 1866. Identified by Charles Sprague Sargent (1841–1927), first director of the Arnold Arboretum.
Introduction Date:	Introduced to the Arnold Arboretum in 1877; thence to Kew in 1904
Anecdotes and Comments:	An oil obtained from the seed has insecticidal properties similar to pyrethrum.