Acer pseudosieboldianum (USA)

Acer pseudosieboldianum (Pax) Kom., Trudy Imp. S.-Peterburgsk. Bot. Sada 22: 725 1903. (Syn: Acer circumlobatum var. pseudosieboldianum Pax; Acer circumlobatum f. pseudosieboldianum (Pax) Schwer.; Acer ishidoyanum Nakai; Acer microsieboldianum Nakai; Acer pseudosieboldianum var. ambiguum Nakai ……….);

Acer pseudosieboldianum, the Korean maple or purplebloom maple, is a species of maple.

It is native to China, Korea, and the Russian Far East. The plant is a small tree or shrub. It is deciduous. It grows about 12 to 18 inches per year. The mature tree is 15 to 25 feet tall. The leaves are 4 to 6 inches wide and have usually 9 to 11 lobes. The green leaves turn shades of red, yellow and orange in fall. The flowers are white with purple bracts. New growth is coated in white, sticky hairs. This characteristic distinguishes the plant from the similar Acer sieboldianum, which lacks hairs. The bark of the plant is thin and easily damaged in harsh weather. Tears in the bark make it vulnerable to insect and fungal infestation. The species is susceptible to canker.

The Korean maple is cultivated as an ornamental plant. It withstands a cold climate better than the comparable Japanese maple. It has been grown in North Dakota, where it has done well in temperatures as low -43°C.

(from Wikipedia on 22.1.14)