Eucalyptus melanophloia
Eucalyptus melanophloia
Eucalyptus melanophloia is a flowering plant within the myrtle family ( Myrtaceae ). It occurs in the north and north-east of New South Wales, in the east and in the center of Queensland, and in the center of the Northern Territory before and is there called "Broad- leaved Ironbark ", "Silver -leaved Ironbark " or " Silver Ironbark ".
Description
Appearance and leaf
Eucalyptus melanophloia grows as a tree reaching heights of growth of up to 20 meters. The bark remains on the entire tree is gray -black and geschrundet ( " Ironbark "). The small branches have green bark. In the marrow of young branches, there are oil glands, but not in the bark.
In Eucalyptus melanophloia is available Heterophyllie. In young specimens the leaves are oval to circular and blue green flour dusted or frosted. In middle-aged specimens the seated leaves with a length and a width of about 10 cm are oval to circular, straight, entire and teal flour dusted or frosted. The blue- green floured or frosted, against permanent leaves of adult specimens, with a matching top and bottom sides are at a length of 5-9 cm and a width of 2.0 to 3.5 cm wide, lanceolate, oval or heart-shaped, relatively thick, straight, taper towards the Spreitenbasis and have a blunt or round top end. The barely visible lateral nerves go from average distances in an acute or obtuse angle from the midrib. Where available up to 3 mm long petioles terete, narrowly flattened or angular. The cotyledons ( cotyledons ) are wrong - kidney-shaped.
Inflorescence and flower
Lateral or terminal terete, with a length of 4 to 16 mm and a diameter of up to 3 mm in cross section on a narrow flattened or angular inflorescence stem are in total composite inflorescences irregular about siebenblütige part inflorescences. The 1-7 mm long flower stems are terete. The blue- green floured or frosted flower buds are short spindle-shaped with a length of 7 to 9 mm and a diameter of 3 to 5 mm. The sepals form a calyptra, which drops early. The smooth calyptra conical, or twice as long as the smooth or ribbed flower cup ( hypanthium ) and as wide as or narrower than this. All stamens are fertile ( fertile ). The flowers are white or off- white.
Fruit
The fruit is stalked at a length and a diameter of 3-8 mm spherical, semi-spherical, ovoid or urn -shaped and vierfächerig. The disc is pressed, the fruit trays are at the height of the edge or stand out.
Occurrence
The natural range of Eucalyptus melanophloia the north and north- east of New South Wales, north of Dubbo, as well as the east and the center of Queensland, and the center of the Northern Territory.
Eucalyptus grows melanophloia widespread and common in sclerophyll or grassy forests on lighter soils.
System
The first description of Eucalyptus melanophloia in 1859 by Ferdinand von Mueller, entitled Monograph of the Eucalypti of tropical Australia in the Journal of the Proceedings of the Linnean Society, Botany, Volume 3, p 93. A synonym of Eucalyptus melanophloia F.Muell. Eucalyptus is melanophloia F.Muell. var melanophloia.
Natural hybrids formed with Eucalyptus Eucalyptus melanophloia Coolabah Eucalyptus crebra, cullenii Eucalyptus, Eucalyptus decorticans, leptophleba Eucalyptus, Eucalyptus microtheca, orgadophila Eucalyptus, Eucalyptus populnea, Eucalyptus Eucalyptus whitei and xanthoclada.
From Eucalyptus melanophloia F.Muell. there are two or three sub-species:
- Eucalyptus melanophloia F.Muell. subsp. melanophloia
- Eucalyptus melanophloia subsp. nana D.Nicolle & Kleinig
- Eucalyptus melanophloia subsp. × presentation Blakely