Austrobaileya

Austrobaileya scandens is the only species of the genus Austrobaileya and the family of Austrobaileyaceae in the order of Sternanisartigen ( Austrobaileyales ). This species grows only in the rainforest of north-eastern Queensland, Australia, on some mountains at altitude 380-1100 meters.

Description

Austrobaileya scandens grows as an evergreen vine. It contains essential oils. The opposite, simple leaves are stalked, leathery and entire. Stipules are present.

Isolated from the leaf axils spring hanging, large, hermaphrodite, spirally constructed flowers, which have a diameter of 5 to 6 cm. The 12 to 24 free bracts are spread out and are different polymorphic: the outermost are sepal -like and the further in you are, the more they have a kronblattartige shape. In each flower, there are six to eleven fertile stamens and a similar number of staminodes. In the centripetally developing stamens the anthers are embedded in the connective. There are four to 14 ( usually six to nine ) upper continuous, free carpels present. Pollination is by insects ( entomophily ).

The mehrsamigen, ellipsoidal to spherical, orange berries remain united as a collective fruit and are about 8 cm long and 4 cm wide. The floury to mucilaginous endocarp is yellow. The seeds have a diameter of about 3 cm. The ripe, scented pumpkin berries fall to the ground and are eaten by mammals or birds.

Of ingredients particularly lignans are mentioned.

System

There is only one species in the genus, and thus in the family:

  • Austrobaileya scandens CTWhite ( Syn: Austrobaileya CTWhite maculata )

The Austrobaileyaceae family in 1943 by Léon Camille Marius Croizat in Cactus and Succulent Journal (Los Angeles ), 15, pp. 64 drawn up. Austrobaileya scandens was founded in 1933 by Cyril Tenison White in ligneous plants collected for the Arnold Arboretum in North Queensland by SF Kajewski in 1929, in Contributions from the Arnold Arboretum of Harvard University, 4:. 29, t. IV firstdescribed. It turned out that the 1948 CT A new species of White in Austrobaileya ( Austrobaileyaceae ) from Australia. , In the Journal of the Arnold Arboretum, 29 (3 ), pp. 255 described species Austrobaileya maculata a synonym of Austrobaileya scandens CTWhite is. The genus name honors Austrobaileya Frederick Manson Bailey (1827-1915), scandens means climbing.

Swell

  • The Austrobaileyaceae on the APWebsite family.
  • Description of the family of Austrobaileyaceae at DELTA. (English )
  • E. M. Ross: Austrobaileyaceae, in: Flora of Australia. Part 2: Winteraceae to Platanaceae. 2007, pp. 17, ISBN 978-0-643-05967-2.
  • Entry in GRIN.
Berry Compound fruit
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