Acer cissifolium

Cissusblättriger maple (Acer cissifolium )

The Cissusblättrige maple (Acer cissifolium ) is a species of the genus maples ( Acer). These will be made today to the family of Soapberry ( Sapindaceae ), formed earlier but my own family maple family ( Aceraceae ). It grows as a deciduous tree and is native to Japan, in Japanese called these maple Mitsude - kaede (Japanese三 手 枫, dt " dreihändiger maple ").

Description

The Cissusblättrige maple is a small tree or large shrub, up to ten meters, in exceptional cases, up to 20 meters high. The tree crown is round and wide with dense horizontal branches. The shoots are olive green, sonnenseits reddish, and at first hairy, later glabrous. On older branches the bark is gray and smooth for a long stays, but is rough around branches and trunk over the years.

The leaves are reminiscent of some species of the genus Cissus from the family of grapevine family ( Vitaceae ). They are triple with clearly stalked leaflets. These are obovate, acuminate, sharply coarsely toothed, ciliate, upper side light green and hairless. The middle leaflet reaches a length of five to ten centimeters on a one to two centimeters long pedicels, the lateral leaflets are slightly smaller. The petiole is wiry thin and three to four inches long. The autumn color is orange to scarlet, with the leaves in the outer part of the crown sooner than the color in the crown inside.

The tree is dioecious. The flowers appear after the leaves. They are small, yellow-green, in five to ten long, erect or inclined, hairy grapes, which contain 20 to 50 flowers. The individual flower consists of four sepals and four petals. Male flowers contain four, rarely five stamens, the gynoecium is completely missing. Similarly, in female flowers no rudiments of stamens are visible.

The fruits are schizocarps with an acute angle to one another bright red wings, the tip of which is strongly bent inward. A seed with wing measures about 2.5 to three centimeters.

Dissemination

The home of Cissusblättrigen maple is located in Japan. He comes there in the southern part of Hokkaido, Honshu before on, Kyushu and Shikoku. It grows in deciduous hardwood forests, on Honshu at altitude 200-1300 meters.

In Central Europe it is often planted and is found almost only in botanical gardens and collections.

System

Originally the species as Negundo cissifolium sieve. & Zucc. been described. Within the genus of the maples (Acer ) the nature in the section Negundo and serial Cissifolia is classified.