Eucalyptus Haemastoma on:
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''Eucalyptus haemastoma'', commonly known as scribbly gum, is a species of tree that is 
endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to the Sydney region. It has white or silvery grey bark, lance-shaped or curved adult leaves, flower buds in groups of between nine and fifteen, white flowers and conical or hemispherical fruit. It is one of several eucalypts with prominent and differing insect scribbles in the bark, caused by the larvae of ''Ogmograptis
''Ogmograptis'', the scribbly gum moth, is a genus in the family Bucculatricidae and was first described by Edward Meyrick in 1935, as a monotypic genus (consisting of one species only). They are found in the Australian Capital Territory, New S ...
'', (and in the case of ''E. haemostoma'' - probably '' O. racemosa'').
Description
''Eucalyptus haemastoma'' is a tree that typically grows to a height of and forms a lignotuber. It has smooth white, silvery grey or yellow bark with insect scribbles. Young plants andcoppice
Coppicing is the traditional method in woodland management of cutting down a tree to a tree stump, stump, which in many species encourages new Shoot (botany), shoots to grow from the stump or roots, thus ultimately regrowing the tree. A forest ...
regrowth have elliptical to oblong or egg-shaped leaves that are long and wide. Adult leaves are lance-shaped or curved, the same shade of green on both sides, long and wide on a petiole long. The flower buds are arranged in leaf axils in groups of between nine and fifteen on an unbranched peduncle long, the individual buds on pedicels
In botany, a pedicel is a stem that attaches a single flower to the inflorescence
In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branch ...
long. Mature buds are oval, long and wide with a conical to rounded operculum. Flowering occurs between July and November and the flowers are white. The fruit is a woody, conical or hemispherical capsule long and wide with the valves near rim level.Brooker, I., ''Eucalyptus, Illustrated guide to identification'', Reed Books, Melbourne, 1996
This species intergrades with '' E. racemosa'', also a scribbly gum, mainly in the south of the Sydney area. A third scribbly gum, '' E. rossii'' is found further inland, on the slopes and tablelands between Tenterfield and Bombala.
Taxonomy and naming
''Eucalyptus haemastoma'' was first formally described in 1797 by James Edward Smith in ''Transactions of the Linnean Society of London
The Linnean Society of London is a learned society dedicated to the study and dissemination of information concerning natural history, evolution, and taxonomy. It possesses several important biological specimen, manuscript and literature collec ...
''. Smith noted " uit globose, cut off at the summit, its orifice surrounded by a broad deep-red border". The specific epithet
In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...
is derived from the Greek ''haima'', 'blood' and ''stoma'', 'mouth', referring to the reddish disc of the fruit.
Distribution and habitat
This scribbly gum grows in woodland on shallow sandy soil derived from sandstone. It occurs in the Sydney region between Lake Macquarie and theRoyal National Park
The Royal National Park is a state park, protected national park that is located in the Sutherland Shire local government area in Southern Sydney and in the City of Wollongong local government area in the Illawarra region of New South Wales, Au ...
.
See also
* List of ''Eucalyptus'' speciesReferences
{{Taxonbar, from=Q2072579 Flora of New South Wales haemastoma Myrtales of Australia Trees of Australia Plants described in 1797 Taxa named by James Edward Smith