Acer truncatum
Chinese Spitz maple ( Acer truncatum )
The Chinese pointed maple ( Acer truncatum ) is a small tree of the genus of the maples in the family of Soapberry ( Sapindaceae ). The natural range is located in northern China and adjacent areas.
Description
The Chinese Spitz Maple is a 10 to 12 meter high tree with gray to dark brown bark and bare, initially purple colored stems. The leaves are five to siebenlappig rare, 6 to 10 inches wide with a truncated base. The lobes are narrow, pointed, and usually entire. The three upper lobes are substantially larger than the bottom two. Both leaf pages are glossy bright green and bare. When you shoot the leaves are reddish in color and later olive green. The petiole is thin and up to twice as long as the leaf blade, in violation of it delivers milk juice. The leaves turn red in autumn. The yellowish-green, five-fold, about 1 cm wide flowers grow in 6 to 8 inches wide, upright cymes. The species flowers from April to May following the expulsion of the leaves. The fruits are about 3 inches long. The greenish-white wings spread is perpendicular to slightly obtuse. The fruits ripen in August. The chromosome number is.
Distribution and ecology
The distribution area is located in Amur region in eastern Russia, Korea, and the Chinese provinces of Gansu, Hebei, Henan, Jiangsu, Jilin, Liaoning, Nei Monggol, Shaanxi, Shandong and Shanxi. The species grows in 400 to 1000 meters above sea level in biodiversity-rich forests on fresh to moist, slightly acidic to alkaline, good mostly loamy soils on sunny to partially shaded locations. The species is thermally compatible and usually frost hardy.
Systematics and history of research
The Chinese pointed maple ( Acer truncatum ) is a species in the genus of the maples (Acer) in the family of Soapberry ( Sapindaceae ). There he is assigned to the section Platanoidea. The first description was in 1833 by Alexander von Bunge in Enumeratio Plantarum, quas in China Boreali Collegit.
Use
The species is rarely used because of their wood and because of their exceptional autumn color as ornamental tree.