Eucalyptus acmenoides
Eucalyptus acmenoides
Eucalyptus acmenoides is a flowering plant within the myrtle family ( Myrtaceae ). You comes at the east coast of Australia from north Queensland to the central coast of New South Wales before and is there "White Mahogany", "Broad- leaved Stringybark ", "Narrow -leaved White Stringybark ", "Yellow Stringybark " or "Yellow Messmate " mentioned.
Description
Appearance and leaf
Eucalyptus acmenoides grows as a tree, the growth heights of up to 30 meters, sometimes up to 50 meters, is reached. The bark remains on the entire tree is gray to reddish brown, thin and fibrous. The small branches are green. Oil glands there is neither in Mark nor in the bark.
In Eucalyptus acmenoides is available Heterophyllie. The leaves of young specimens are broad - lanceolate and glossy green. The shiny on top and bottom of different green leaves on adult specimens are divided into petiole and leaf blade. The 8 to 15 mm long petioles of adult specimens are flattened narrow in cross-section or channel-shaped. The leaf blade of adult specimens is at a length of 8 to 12 cm and a width of 1.5 to 2.5 cm crescent-shaped and broad - lanceolate with pointed, blunt or tapering Spreitenbasis. The lateral nerves go from medium- large distances in acute or obtuse angle from the midrib.
Inflorescence and flower
On a cross-section angular, 6-15 mm long inflorescence stem stand together seven to eleven or more flowers in a simple inflorescence. The stalk round flower stalk is 2-6 mm long. The flower buds are spindle-shaped or egg at a length of 5 to 7 mm and a diameter of 3 to 4 mm. The calyptra is conical and at least as long and as wide as the smooth flower cup ( hypanthium ). According EucaLink the calyptra can also oblong- pointed, and be two to three times as long as the smooth flower cups. The flowers are white or off- white.
Fruit
The fruit is hemispherical with a length of 4 to 8 mm and a diameter of 4 to 7 mm. The discus is narrow, depressed or flat, and the fruit trays are included or are available at the level of the rim.
Occurrence
Eucalyptus acmenoides comes along the east coast of Australia from north Queensland down to the north of Sydney in the central coast of New South Wales area before.
It grows in wet sclerophyll forests or open forests and is locally common. Eucalyptus acmenoides thrives best in deep soils with moderate nutrient levels and regular moisture.
Taxonomy
The first description of Eucalyptus acmenoides in 1843 by the German botanist Johannes Conrad Schauer in Wilhelm Gerhard Walpers: Repertory Botanices Systemaicae, Volume 2 (5 ), pp. 924 The type material has the inscription " In Sylvis Novae Cambriae australis ( A.Cunn. ) "on. After Joseph Henry Maiden The epithet has acmenoides on the similarity of the shape of the leaves with those of Acmena smithii, a synonym of Syzygium smithii back (see photo of the leaves, top).
Synonyms for Eucalyptus acmenoides showers are: Eucalyptus pilularis var acmenoides ( Schauer) Benth, Eucalyptus acmenoides Schauer var acmenoides, Eucalyptus uvida KDHill, Eucalyptus portutensis KDHill, Eucalyptus contracta LAS. . Johnson & KDHill, Eucalyptus acmenioides showers orth var.
Eucalyptus acmenoides forms hybrids with other species, such as Eucalyptus cloeziana, Eucalyptus pilularis, Eucalyptus eugenioides.
Use
The heartwood of Eucalyptus acmenoides is yellow - brown, very hard and has a specific gravity of about 1010 kg / m³. The wood is used for construction and furniture wood and for the boat and wagon construction. It is used for example for the construction of piers and docks, for the manufacture of railway sleepers, flooring and paneling.