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''Eucalyptus phoenicea '', commonly known as scarlet gum or gnaingar or ngainggar, is a tree of the family
Myrtaceae Myrtaceae, the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All speci ...
from Northern Australia.


Description

The tree typically grows to a height of and is mostly single-stemmed but has a lignotuber. The bark of the tree is soft, fibrous, flaky and rough bark over the majority of the trunk and larger branches. The rougher bark is a yellow-grey to orange-brown colour while the bark on large branches is sometimes white to pinkish-grey coloured smooth bark. The alternately arranged adult leaves are concolorous to slightly discolorous and a dull green to grey-green colour. The leaf blade has a lanceolate shape with a length of and a width of and the base tapers to the petiole. The tree usually blooms between February or March and September or November producing orange flowers. The single axillary inflorescences form groups of over seven buds per umbel. The bright green mature buds have a clavate to pyriform shape with a length of and a width of with bright orange flowers. The woody pedicellate fruits have a cylindrical and urceolate shape and are slightly longitudinally ribbed. The fruits are in length and about half as wide with a vertically descending disc and two enclosed valves. The dull dark grey to black seeds within have a saucer shape and are long.


Taxonomy and naming

''Eucalyptus phoenicea'' was first formally described by the botanist Ferdinand von Mueller in 1859 in the '' Journal of the Proceedings of the Linnean Society, Botany''. The
specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
is taken from the mythical bird the phoenix in reference to the brilliant scarlet colour of the feathers of the bird compared to the colour of the anther filaments of the flower.


Distribution

It is endemic to northern Australia in Queensland, the Northern Territory and Western Australia. In Western Australia it has a scattered distribution in the
Kimberley Kimberly or Kimberley may refer to: Places and historical events Australia * Kimberley (Western Australia) ** Roman Catholic Diocese of Kimberley * Kimberley Warm Springs, Tasmania * Kimberley, Tasmania a small town * County of Kimberley, a ...
region around the Pentecost River where it grows in sandy soils among sandstone hills and outcrops. Its sporadic distribution continues through the top end of the Northern Territory from Timber Creek in the south to around Batchelor east to the south-western
Gulf of Carpentaria The Gulf of Carpentaria (, ) is a large, shallow sea enclosed on three sides by northern Australia and bounded on the north by the eastern Arafura Sea (the body of water that lies between Australia and New Guinea). The northern boundary is ...
with an isolated population north-west of Cooktown in the
North Queensland North Queensland or the Northern Region is the northern part of the Australian state of Queensland that lies just south of Far North Queensland. Queensland is a massive state, larger than many countries, and its tropical northern part has been ...
region.


Cultivation

The plant is available commercially in seed form or as seedlings, it germinates readily from seed. It prefers sandy well drained soils and a full sun position. It is drought tolerant once established but will be damaged by frost. The tree flowers from its second year and then flowers over an extended period with many different types of birds and insects being attracted to the flowers.


See also

* List of ''Eucalyptus'' species


References

{{Taxonbar, from=Q3017706 phoenicea Myrtales of Australia Trees of Australia Eucalypts of Western Australia Flora of the Northern Territory Flora of Queensland Taxa named by Ferdinand von Mueller Plants described in 1859