Dipteronia

Dipteronia sinensis

The Dipteronien ( Dipteronia ) are a genus of deciduous trees of the family of Soapberry ( Sapindaceae ), which (Acer) was placed in the family of the maple family ( Aceraceae ) formerly along with the species of maples. There are two types of China known, but only one ( Dipteronia sinensis) in Central Europe in culture.

Description

The Dipteronien are deciduous, large shrubs to small trees that can reach a height of about 10 to 15 meters. The winter buds are naked, small and ovoid. The leaves are pinnate.

The flowers are borne in axillary or terminal inflorescences. The flowers are fünfzählig, with five sepals and petals. Dipteronia species are andromonözisch; There are different types of flowers on a tree: There are pure male flower with eight stamens. The hermaphrodite flowers, but are functionally either male or female. The ovary is zweikammerig. The fruits are flat, in contrast to the one-sided winged maple fruit, broadly winged all around.

System

The genus Dipteronia was published in 1898 by Daniel Oliver in Hooker's Icones plantarum Volume 19.

There are only two types of Dipteronia:

  • Dipteronia dyeriana Henry ( Syn: Dipteronia sinensis subsp dyerana (Henry) AEMurray. . ): The home are forests at altitudes 2000-2500 meters in the southeastern Yunnan. This species is grown as an ornamental tree and for oil extraction.
  • Dipteronie ( Dipteronia sinensis Oliv. ): It grows in mixed forests or at the edge of the forest at altitudes 1000-2400 meters in the southeastern Gansu, northern Guizhou, southwestern Henan, western Hubei, Hunan, Shaanxi, southern Shanxi and eastern Sichuan.

Swell

  • The Hillier Trees & Shrubs, ed. by John Kelly and John Hillier, 1st edition, Braunschweig, Thalacker media, 1997, ISBN 3-87815-086-5.
  • Tingzhi Xu, Yousheng Chen, Piet C. de Jong, Herman John Oterdoom & Chin- Sung Chang: Aceraceae in the Flora of China, Volume 11, p 515: Description and identification keys of Dipteronia. (English )
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