Altingiaceae

Oriental sweetgum (Liquidambar orientalis)

The Altingiaceae are a small family of plants within the order of Saxifrage -like ( Saxifragales ). The best known species is the American sweetgum (Liquidambar styraciflua).

Description

The types of Altingiaceae are deciduous or evergreen trees. Often these trees produce resin. There are bud scales available. The stalked leaves are Liquidambar like a maple leaf divided palmate in the genus, not cut in pieces, in the genus Altingia. The stipules are small and frail.

The plants are monoecious getrenntgeschlechtig ( monoecious ). The flowers and fruit stands are little head -shaped to spherical. The male flowers contain four to ten stamens. The two carpels are fused to an inferior ovary.

The fruit capsules containing winged seeds.

The chromosome rates are n = 15, 16

System

To the family of Altingiaceae are only three genera, which are treated in the older literature and in floras usually as part of the witch hazel family ( Hamamelidaceae ). They together comprise about 17 species:

  • Altingia Noronha: occurring in Indomalesien With about ten species,
  • Sweetgum (Liquidambar L. ) occurring in North America and Asia with four species,
  • Semiliquidambar HungT.Chang: With three species found in China.

Dissemination

The family has a disjoint area in eastern North America and Central America, the eastern Mediterranean and from East Asia to the Malay Archipelago.

Swell

  • The Altingiaceae in APWebsite family. (English )
  • The Altingiaceae at DELTA family. (English )
  • The Hamamelidaceae family ( s.lat. ) In Flora of China (English )
  • David John Mabberley: The Plant-Book. A portable dictionary of the higher plants. Cambridge University Press 1987. ISBN 0-521-34060-8
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