Eucalyptus wandoo
| Eucalyptus wandoo | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Eucalyptus wandoo |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Eucalyptus wandoo | ||||||||||||
| Blakely |
Eucalyptus wandoo is a species ofthe myrtle family (Myrtaceae). It occurs in the southwest and west of Western Australia and is called "White Gum" or "Wandoo" there.
description
Appearance and leaf
Eucalyptus wandoo grows as a tree that reaches heights of 3 to 25 meters. The bark is smooth on the whole tree and white or yellow in Mark Young branches there are oil glands, but not in the bark.
In Eucalyptus wandoo is Heterophyllie ago. The leaves are divided into petiole and leaf blade according to the youth phase. The leaf blade on seedlings is glabrous and blue-green on the top and bottom of the same color, 5 to 10 cm long and 2.5 to 5 cm wide, heart-shaped to ovoid. The leaves on young specimens are sessile, with a length of 9 to 13 cm and a width of 3 to 10 cm ovate to broadly lanceolate, glabrous and blue-green on the top and bottom of the same color. On middle-aged specimens, the hairy, dull gray-green leaf blade is 10 to 16 cm long and 2 to 4 cm wide and lanceolate, elliptical or ovate, straight, with entire margins. The hairy, dull green or gray-green leaf blade of the same color on the upper and lower side on adult specimens is lanceolate to narrow-lanceolate, relatively thick, sickle-shaped, with a length of 8 to 15 cm and a width of 1 to 2.4 cm, tapers towards the base of the blade and has a pointed upper end. The side nerves, which are barely visible, extend from the median nerve at an acute or obtuse angle. The cotyledons ( cotyledons ) are divided into two parts.
Inflorescence and flower
Lateral on a pedicel-round, narrowly flattened or angular inflorescence stem with a length of 15 to 20 mm and a diameter of up to 3 mm in cross section, there are about eleven to seventeen flowers together in a simple inflorescence . The flower stalks are 1 to 5 mm long. The not blue-green floured or frosted flower buds are spindle-shaped with a length of 10 to 21 mm and a diameter of 3 to 4 mm. The sepals form a calyptra that falls off early. The smooth calyptra is conical or horn-shaped, as long, twice or three times as long as the smooth flower cup (hypanthium) and as wide as this. The flowers are white or creamy white. The flowering period in Western Australia extends from December or January to May or from November to April.
Fruit and seeds
With a length of 5 to 10 mm and a diameter of 3 to 6 mm, the stalked fruit is inverted-conical, cylindrical, or pear-shaped and three to fourfold. The disc is pressed in, the fruit compartments are level with the rim or protrude slightly.
The almost spherical or cubic seed has a gray-brown seed coat . The hilum sits in the middle.
Occurrence
The natural range of Eucalyptus wandoo is the southwest and west of Western Australia . Eucalyptus wandoo occurs in the independent counties of Beverley , Brookton , Corrigin , Gingin , Goomalling , Manjimup , Merredin , Narembeen , Pingelly , Serpentine-Jarrahdale , Toodyay , Victoria Plains , West Arthur and York in the regions of Peel , South West and Wheatbelt .
Eucalyptus wandoo thrives on sandy or clay loam , gravel , laterite and granite on stony elevations and undulating terrain.
Systematics
The first description was in 1867 by George Bentham as a variety ( Basionym ) Eucalyptus redunca var. Elata Benth. in Flora Australiensis , Volume 3, p. 253. The type material is labeled Kalgan River, "White Gum", Oldfield . William Faris Blakely gave it the rank of a species Eucalyptus wandoo Blakely in 1934 in A Key to the Eucalypts ... , p. 112. The specific epithet wandoo corresponds to the name given by the Aborigines to this tree species.
Of Eucalyptus wandoo there are two subspecies:
- Eucalyptus wandoo subsp. pulverea Brooker & Hopper : Occurs in the northern part of the distribution area from Cataby to Morawa. The bark is smooth and powdery white, the bark of the small twigs is floured or frosted blue-green.
- Eucalyptus wandoo Blakely subsp. wandoo (Syn .: Eucalyptus redunca Schauer , Eucalyptus redunca subsp. elata Benth. ): Occurs in the southern part of the range of Gin Gin and Bindi Bindi to the south to the Hay River north of Denmark. The bark is smooth and white, the bark of the small twigs is not floured or frosted blue-green.
There are natural hybrids of Eucalyptus wandoo with Eucalyptus gomphocephala and Eucalyptus loxophleba .
use
Forests with Eucalyptus wandoo are valued today as recreational areas and for groundwater protection.
Bees produce a popular type of honey from the nectar of Eucalyptus wandoo .
The heartwood of Eucalyptus wandoo is yellowish or slightly reddish brown, very hard, extremely resistant, and has a specific weight of 1040 to 1155 kg / m³. The wood from Eucalyptus wandoo is used for railway sleepers , posts , floors and all forms of light and heavy structures .
The wood and bark of Eucalyptus wandoo contain tannin in commercially usable quantities .
Individual evidence
- ↑ a b View Specimen search results: Eucalyptus wandoo at Australia's Virtual Herbarium. Council of Heads of Australasian Herbaria . Retrieved April 23, 2013
- ↑ a b c d e APNI = Australian Plant Name Index . Center for Plant Biodiversity Research. Australian Government. Retrieved April 23, 2013
- ↑ a b c d e f g h i j k l m n o Eucalyptus wandoo at EucaLink - A Web Guide to the Eucalypts . Retrieved April 22, 2013.
- ↑ a b c d e f Eucalyptus wandoo in the Western Australian Flora . Retrieved April 23, 2013
- ↑ a b c d e f g h i j k l m n o p q r s Wandoo and Wheatbelt Wandoo - Eucalyptus wandoo and Eucalyptus capillosa In: DJ Boland, MIH Brooker, GM Chippendale, N. Hall, BPM Highland, RD Johnston , DA Kleinig, MW McDonald & JD Turner (Editors): Forest Trees of Australia . CSIRO Publishing. 5th edition 2006. Eucalyptus wandoo on pp. 348–349: online at Google Books. Retrieved April 23, 2013
- ↑ Eucalyptus wandoo at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed April 23, 2013.
- ↑ a b Rafaël Govaerts (Ed.): Eucalyptus wandoo. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved April 23, 2013.
- ↑ a b c Eucalyptus wandoo subsp. wandoo . EUCLID - Eucalypts of Australia - Online Sample. 3rd edition. Center for Plant Diversity Research. CSIRO. Australian Government . Retrieved April 23, 2013
- ↑ Malcolm French: The special Eucalypts of Perth and the south-west . ISBN 0-646-29394-X . The source may have been available to the author on en-Wikipedia, but was not consulted when this article was written.
