Acer griseum
Cinnamon Maple ( Acer griseum ), leaves
The cinnamon maple ( Acer griseum ) is a kind of deciduous tree of the genus maples ( Acer) in the family of Soapberry ( Sapindaceae ). It is native to central China, the Chinese name is " xue feng pi " (Chinese:血 皮 枫).
Description
The cinnamon maple forms a slim and tall crown with curved ascending branches; often it grows more stocky and then is more like a large shrub than a tree. It reaches a height of 20 meters, in Central Europe, however, rarely more than ten meters. Young twigs are dark reddish and hairy. The hair is two or three years obtained on older branches the bark is cinnamon and rubs off when touched. The bark is initially smooth; later she comes off in the side rolling paper-like strips; the underlying young bark is smooth. The impressive appearance of the bark - the similarity with dried Cinnamon - Cinnamon Maple gave the place the name and moved the high ornamental value of the plant.
The buds are very small, pointed and almost black. The leaves are arranged and are triple. The three leaflets are three to eight inches long, two to five inches wide and slightly lobed. The approximately five inches long petiole is dark pink and at first densely pubescent. The autumn color is bright orange to crimson and sets about the beginning of October.
The cinnamon - maple is dioecious. The inflorescences usually contain three flowers. The yellow flowers hang on hairy stalks; Flowering time is from April to May, coinciding with the foliation. Each flower has five sepals and five petals. Male flowers contain ten stamens. The fruits take about 3.5 centimeters long wings and usually remain unfertilized in Central Europe.
Dissemination
The cinnamon - maple is native in western China. As an ornamental tree of cinnamon maple is often planted in many parts of Europe. As he is about 14 feet high in the British Isles, he usually reaches in Central Europe only six to ten feet, though he is fully hardy here.
System
Within the genus of the maples of cinnamon maple is classified in the section Trifoliata. Franchet described it first in 1894 nikoense as a subspecies of Acer, Pax ranked him in 1902 as a separate species. The related species, such as Acer or Acer mandshuricum triflorum are all native to East Asia.