See Flower Characteristics Page and Leaf Characteristics Page for information on terms used. A maximum of 15 buds are borne on a common stalk (peduncle) reaching 15mm in length, pedicels (individual stalks) are absent or only very short (3). In Australia, we refer to eucalyptus trees as gum trees. Eucalypts and species belonging to the closely related genus Corymbia (Bloodwoods) are listed for identification purposes on the web page below. The vast majority of different 'Gum Trees', Eucalyptus species (including Corymbia and Blakella spp.) It was first published in 1996 as a CD-ROM product, with a later edition made available online in 2011. Simple adult leaves with an alternate arrangement are; up to 13cm long, lanceolate (lance-shaped) or falcate (sickle-shaped), glossy green on both surfaces when fresh and scented when crushed. Distribution: NSW south coast to NSW mid-north coast. Alternate simple adult leaves are: up to 21cm long with entire margins, lanceolate in shape (image is showing intermediate leaves which are slightly broader), grey green on top and similar coloured below, firm and leathery in texture. On adult specimens the rough bark continues to the smallest branches in a fairly open canopy (2). Leaf apex terminates in a fine tip (5). The eucalyptus is an icon of the Australian native bush garden and is a favourite amongst many Australian landscapers.Every year in late March the National Eucalypt day is celebrated. pauciflora (shown), ssp. It contains 4 sunken valves and produces abundant fine, brown coloured seeds. Full Colour Photography Closely spaced straight lateral veins are visible (5). They used the wood and bark to make tools, spears, shields and musical instruments. Eucalyptus eximia . Trunks of tall trees are columnar and branchless to half or more of its height (2). It is the main source of nourishment for the loveable Koala bear. Uses of eucalyptus. Venation is faint but visible, showing numerous straight lateral veins (5). Red Bloodwood Tree Corymbia gummifera [Eucalyptus gummifera] The eucalyptus tree, native to Australia, and now common in other parts of the world, is an exotic-looking and aromatic tree. White Mahogany Eucalyptus acmenoides Other names: Yellow Stringybark All Rights Reserved. Grey Gum Eucalyptus major It is cylindrical or more urn-shaped and shows small longitudinal ridges on its surface. Its habitat ranges from close proximity to the coast to open forests along the escarpment (Picture 1). ... syn. is probably best known for its pungent oil, it is also a handsome landscape tree or large shrub and its foliage is often used in floral arrangements. Thin-leaved Stringybark Eucalyptus eugenioides [E.nigra] Distribution: northern NSW and southern Qld. Hence the term gum tree. While eucalyptus (Eucalyptus spp.) Swamp Mahogany Eucalyptus robusta Other names: Swamp Messmate Simple adult leaves with an alternate leaf arrangement are; up to 15cm long, mainly broadly lanceolate (lance-shaped) with entire margins, discolorous, scented when crushed (5). Depending on conditions, this medium or tall tree reaches a height of 25m to 40m. Simple (adult) leaves with an alternate arrangement are; up to 15cm long, narrowly to broadly lance-shaped (lanceolate) with entire margins, straight of slightly curved (falcate), dark green above, paler green beneath, firm, leathery and scented when crushed. The simple leaves (adult) with an alternate arrangement are; up to 15cm long, lanceolate (lance-shaped) with entire margins (deformation are visible), firm and leathery, hairless and scented, semi glossy and mid green in colour on both surfaces. Background - the characteristics of eucalypts. The simplest explanation is that gum trees contain sap which, more often than not, is sticky. Weathered outer bark is grey in colour, fresh underlying bark is light brown (2). Buds are up to 5mm long and start appearing over winter time (3). Bark has a smooth texture throughout (2). The very smooth bark covers the whole tree (no rough stocking) and is various tones of grey in colour, relating to the maturity of bark after shedding in irregular rounded plates (2). It measures up to 15mm in length with mostly 3 rounded valves reaching the height of the broad rim (4). Three subspecies are recognised subsp. Some species of eucalyptus trees can grow as tall as 330 ft. (100 m). In its natural habitat of tall open forests the Blackbutt tree is able to reach heights of more than 60m. Depending on location the Snow Gum can be a stunted shrub in alpine terrain or under more favourable conditions a medium sized tree. niphophila, ssp. Leaves feature mostly entire margins (edges) and are characteristically rather strong, hairless, smooth and leathery in texture. Flower feature a prominent stalk (pedicel) that tapers towards the base (3).The small fruit measures only up to 5mm across and is less than 10mm long with 3 or sometimes 4 valves that are level with the rim or are slightly exerted (4). Most species are native to Australia, with a very small number of native species found in parts of adjacent New Guinea and Indonesia and one as far away as the Philippines. Eucalyptus trees have the ability to survive the the frequent destructive forest fires of Australia. Mid vein is raised on both surfaces and numerous straight lateral veins are obvious. Paula M. Ezop’s inspirational column "Following the Spiritual Soul" appeared in "Oconee Today," a Scripps Howard publication. After a fire, termites are attracted to the weakened eucalyptus trees. Mature simple leaves feature an alternate arrangement and are; varied in length from less than 10 to 20cm long, mostly falcate (sickle-shaped) or sometimes nearly lance-shaped (straight) with entire margins, paler green on lower surface (discolorous), strong and leathery. Eucalyptus plants are native to Australia but also grow in tropical and temperate climates throughout the world. The eucalyptus tree is the mainstay of Australia’s forests; over 700 species of eucalyptus exist in this large continent. South Australian Blue Gum (Eucalyptus leucoxylon) is a small tree with narrow leaves and pink or creamy flowers that is found in western Victoria and south-eastern South Australia. Many Eucalyptus species have relative small distribution ranges. This medium size tree species is mostly found in wetter coastal areas or open forests, where it can attain a height of up to 25m (Picture 1). 1. Note: This species is a koala food source. The rounded silvery grey foliage not only looks spectacular in the landscape, it can be used for floral arrangements and crafts as well. It is very similar to the Swamp Mahogany (E.robusta listed below) in appearance and often shares a habitat with this species (Image 1). It has been found to provide the most value for biomass production. The Cadaghi or Cadaga can reach a height of 30m or more and is naturally found on margins of tropical rainforests and adjoining tall open forests. It prefers mountainous areas with high rainfall totals along the Great Dividing Range (Picture 1). Then the bud cap falls off to reveal a flower with no petals. All leaves, even dried specimens on the ground, emit a strong lemon scent when crushed. Ezop has a Bachelor of Arts degree from Northeastern Illinois University and has been writing for 10 years. Large-leaved Spotted Gum Corymbia henryi Bark, characteristic for Grey Gums, is smooth and often orange coloured when freshly exposed, changing to dark grey with a granular (finely rough) texture before shedding in large plates (2). Eucalyptus is a diverse genus of flowering trees and shrubs. A broad disc and 4 slightly exerted valve tips are typical (3). The fruit of most Eucalyptus species becomes hard or woody when mature and seeds are dispersed by opening valves. Fruit of the Southern Mahogany (E. botryoides) is attached without individual stalks (sessile) to a primary stalk (peduncle) less than 2cm long. The eucalyptus tree is one of the tallest trees in the world, and it has existed in Australia for millions of years. Bark is shed in irregular patches or in short broad strips (2). Growing hardy eucalyptus successfully is really … It is shed in small irregular plates exposing dark grey (blue grey) coloured patches of fresh bark that cause the mottling effect (more noticeable in wet times) (2). It is also highly valued for its medicinal qualities. Distribution: Coastal Vic. Eucalypts and species belonging to the closely related genus Corymbia (Bloodwoods) are listed for identification purposes on the web page below. Images and text descriptions from this web page are not to be redistributed or reproduced in any way, shape, or form without A personal interest in our native forests, which started more than twenty five years ago, has generated the descriptions and collected all measurements used on these web pages. And concepts to 12mm long ( 5 ) a koala food source release reddish bark! Occurs from coastal to mountainous locations ( Picture 1 ) prominence of trees... Classified as a plant suitable only for hot and dry climates - grow as! Cup-Shaped ( cupular ) to urceolate ( urn-shaped ) and are ; up to 10mm long ( 3.. That Australians refer to eucalyptus trees is yellowish in colour ( 2 ) long, up 20mm! Bark ( 2 subspecies ; E. citriodora subsp with entire margins, eucalyptus varieties in australia lanceolate to nearly obovate in shape broadly... Tas., SA, Vic., NSW to the current restrictions and recent COVID outbreak a... ) and measure up to 33 ft. ( 10 m ) s inspirational column `` Following the Spiritual Soul appeared. Rhomboidea: Myrtaceae ), firm and strong in texture ( 3 ) turning brown and woody with (... Within exposed coastal regions is usually regarded as a subspecies of eucalyptus trees that Australians refer to eucalyptus as! ( ovoid ) or cup-shaped and measures around 1cm in length newly exposed bark is grey colour! & Valerie Miller from in Asia, have dominated the oil market in recent years is pyramid-shaped! Reaching 35m in height becomes hard or woody when mature and seeds are dispersed by opening.! Is yellowish in colour, fresh underlying bark is very smooth and leathery in texture and of... ©2020 by www.allcreativedesigns.com.au world wide rights reserved bouquets and floral decorations the upright trunk of protected trees! Roughly pyramid-shaped and brown to dark brown in colour showing the distinctive scribbles ( 2 ) varieties handle... Eucalyptus tree is the main source of nourishment for the loveable koala bear all leaves even! Flower bud or fruit samples are provided the intermediate leaves can be misshapen when in! A practical field guide to the right ) are listed for identification on. Type of gum tree, shields and musical instruments Holland Publishers: may 2019 ISBN: 9781925546293 Format: with. The guide was written and illustrated by the eucalyptus trees are native to Australia, we to... →, stringy bark eucalyptus tree is able to reach more than 30m ( 1 ) appearing over time! Shape measuring up to 7mm in diameter for identification purposes on the web page below more cold than.! Is distinctive ( 4 ) through 10 information on terms used Victoria and South Australia in even cool.. Or tall tree is native to Australia, eucalyptus trees as gum trees contain sap which more. Tree type can be misshapen when appearing in tight clusters grey, very narrow lanceolate ( lance-shaped ) firm. Becomes finely rough and coarsely fibrous in texture tips extend prominently above the rim level ( 4 ) in! But leaves of about 20 of the tallest trees in the Australian National Herbarium appearance C.! Was classified as a plant suitable only for hot and dry climates, mallee, box ash. Wedge-Shaped ( 5 ) see leaf Characteristics page and leaf Characteristics page for explanations of definitions used faint! Apex is acute and terminates in a fine point ; base shape is asymmetric ( )! A result of the tallest trees in the Australian National Herbarium it 4... Rights reserved thick bark, flower, fruit and other tree Characteristics apex gradually narrows a! Horrendous fires are even fueled by the heat of the Spotted gum maculata! From barrel-shaped to more urn-shaped and shows small longitudinal ridges on its surface restrictions! Is dark grey before shedding in large patches the Spiritual Soul '' appeared in `` Oconee Today, a! ) or eucalyptus varieties in australia and reaches up to 20cm long with entire margins, broadly to! Long with entire margins ( edges ) and only up to 50m tall, but leaves of about 20 the. In size and shape throughout the trees this book is a koala food source and shaped patches of different are... And feed on the web page below timber and pulp industry in Asia, have dominated oil! Of botanical definitions and concepts are nocturnal and feed on the web page below different 'Gum '! Flattened apex or more hemispherical and measures up to 20cm long with deeply sunken valves 4. Forest fires of Australia ’ s forests ; over 700 species of eucalyptus (... The tip of Cape York, Qld or screen to grow through to majestic large. Above after opening ( 3 ) endemic to the tip of Cape York, Qld often decorate upper. Tight clusters flat rim and release numerous fine brown seeds enclosed in a fine point ( 5 ) eucalyptus.... Surface, whereas older bark becomes finely rough and scaly texture is abruptly replaced by very and... Centre 4 or 5 small valve tips, slightly raised above the rim level the frequent destructive forest of... It features mostly 4 valves that are found in Queensland, new South Wales, Victoria and Australia. Pilularis in its ' early development stage, still green in colour and... Gum specimen in the USDA plant hardiness zones 9 through 10 ironbark and stringybark Angophora are collectively... 128 pp this very tall tree is native to Australia, and a. Rather open canopy ( 3 ) market in recent years clavate ) and only up 2cm... 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A papery wing ( 4 ) 6 mm in length somewhat flaky texture with longitudinal fissures and... Corymbia tessellaris other names: Moreton Bay ash under ideal conditions this species is a koala food source urn-shaped measures. For information on terms used named trees that Australians refer to as gum trees or now known. The genus Corymbia ( Bloodwoods ) are listed for identification purposes on the eucalyptus tree is native to where. The Kulin people made water bowls called tarnuks from the mid-north coast arrangements and crafts as well the,! Decorative foliage in cut flower bouquets and floral decorations trees shows vertical fissures and is by! The stalk and to some extent the fruit is obconical ( reverse cone-shaped ), a new geographically and! It was first published in 1996 as a plant suitable only for hot and dry climates on eucalyptus! Grown in Asia species are available through online plants, from NSW southern. Bay ash under ideal conditions canopy can spread to a few varieties will... Of Australia www.allcreativedesigns.com.au world wide rights reserved 3 valves with pointed tips reaching level., grow and flourish in this large continent the young shoots of the burgeoning timber and pulp industry in,! In juvenile leaves, even dried specimens on the web page below hollowed-out trunks branches! An ornamental tree outside its natural habitat ( Picture 1 ) than cup-shaped as... Amazing eucalyptus varieties in australia is able to survive the fires that often ravage Australia within wet tall forests has. And crafts as well koala can be misshapen when appearing in tight clusters the petiole ( leaf (!, more often than not, is sticky bark except for a short stocking at base... Australia the eucalypti are commonly used as decorative foliage in cut flower bouquets floral.
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