Eucalyptus

 
Eucalyptus is a large genus with so many species often difficult to separate, but here are tips to separate them
E. citriodora are rather distinct from others in strongly scented (more like odomos) leaves when crushed, flower buds almost as long as broad, cap pinkish, hemispherical and cup like with sunkun disc.
E. camaldulensis has similar shaped flower buds but light brown and not pinkish cap which is distinctly pointed, fruit has 4-5 slightly raised teeth in the center.
E. microtheca has narrow leaves forming dense drooping canopy, buds very small usually less than 5 mm long, pointed at tip, fruits barely 3-4 mm long with 3-3 spreading teeth longer than base.
E. tereticornis buds are longer, often up to 1.5 cm long, cap much longer than base and gradually tapered, fruit with 4-5 teeth, projecting upwards almost as long as base.
E. globulus has usually single large flower, fruit more than 20 mm across
E. polyanthemos is very distinct in its almost rounded leaves, flowers in panicles and hemispherical cap
E. leucoxylon with usually 3-flowered clusters, on up to 12 mm long peduncles, conical cap, as long as base, fruit 10-12 mm across.


 


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Binomial Habit Notes References Distribution English name
Eucalyptus alpina Lindl. = Eucalyptus baxteri (Benth.) Maiden & Blakely ex J. M. BlackTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus amygdalina Labill. = Eucalyptus salicifolia Cav.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus blakelyi MaidenTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulBlakely's Red Gum
Eucalyptus bosistoana F. v. Muell.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus botryoides Sm.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul, Nilgiri 
Eucalyptus bridgesiana R. T. BakerTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulApple Box
Eucalyptus calophylla R. Br. ex Lindl. = Corymbia calophylla (Lindl.) K. D. Hill & L. A. S. JohnsonTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul, Nilgiri 
Eucalyptus camaldulensis Dehnh.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul, NilgiriRiver Red Gum
Eucalyptus cephalocarpa BlakelyTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulMealy Stringy Bark
Eucalyptus citriodora Hook. = Corymbia citriodora (Hook.) K. D. Hill & L. A. S. JohnsonTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul, NilgiriLemon - scented Gum
Eucalyptus cladocalyx F. v. Muell.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulSugar Gum
Eucalyptus crebra F. v. MuellTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulNarrowse - leaved red ironbark
Eucalyptus cypellocarpa L.A.S. JohnsonTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulMountain Grey Gum
Eucalyptus diversicolor F. v. Muell.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul 
Eucalyptus elata DehnhTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulRiver Peppermint
Eucalyptus eugenioides Sieb. ex Spreng.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus ficifolia F. v. Muell = Corymbia ficifolia (F. Muell.) K. D. Hill & L. A. S. JohnsonTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul, NilgiriRed- flowering Gum
Eucalyptus globulus Labill.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul, Erode, Kanniyakumari, Nilgiri, Salem, Theni, TirunelveliTasmamian Blue Gum
Eucalyptus grandis W.Hill ex MaidenTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulFlooded/ Rose Gum
Eucalyptus hemiphloia F. v. Muell = Eucalyptus moluccana Roxb.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus leucadendron Reinz. ex DeVriese is a synonym of Eucalyptus alba Reinw. ex BlumeTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus leucoxylon F. v. Muell.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus longifolia Link & OttoTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulWoollybutt
Eucalyptus macarthurii Deane & MaidenTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulCamden Woollybutt
Eucalyptus maculata Hook. = Corymbia maculata (Hook.) K. D. Hill & L. A. S. JohnsonTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulSpotted Gum
Eucalyptus megacornuta C. A. GardenerTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulWarted Yate
Eucalyptus melliodora A. Cunn ex Schau.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus microcorys F. Muell.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulTallow - Wood
Eucalyptus nitida Hook. f. = Eucalyptus ambigua DC.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulSmithton Peppermint
Eucalyptus nova-anglica Deane & MaidenTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul 
Eucalyptus obliqua L. Her.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulMessmate Stringybark
Eucalyptus ovata Labill.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulSwamp Gum
Eucalyptus paniculata Sm.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus pauciflora Sieb ex Spreng.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul, NilgiriSnow Gum
Eucalyptus piperita Sm.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulSydney Peppermint
Eucalyptus polyanthemos SchauerTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulRed Box
Eucalyptus ptychocarpa F. v. Muell. = Corymbia ptychocarpa (F. Muell.) K. D. Hill & L. A. S. JohnsonTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus punctata DC. TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul, NilgiriGrey Gum
Eucalyptus radiata Sieb. ex DC.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulNarrow - leaved Peppermint
Eucalyptus regnans F. v. Muell.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulMountain Ash
Eucalyptus resinifera SmTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulRed Mahogany
Eucalyptus robusta Sm.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983DindigulSwamp Mahogany
Eucalyptus rossii R. T. Baker & H. G. Sm. = Eucalyptus racemosa subsp. rossii (R. T. Baker & H. G. Sm.) B. E. Pfeil & HenwoodTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Dindigul 
Eucalyptus saligna Sm.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983; Wealth of India, 1952Dindigul, NilgiriSydney Blue Gum
Eucalyptus siderophloia Benth.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Matthew, 1999DindigulIronbark
Eucalyptus sideroxylon A. Cunn.ex.WoollsTreeWestern Ghats, High Altitude, Cultivated, Native of Australia  DindigulRed Ironbark
Eucalyptus staigeriana F. v. Muell. ex BaileyTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus tereticornis Sm.TreePlains to Low Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983All districts 
Eucalyptus torelliana F. v. Muell. = Corymbia torelliana (F. Muell.) K. D. Hill & L. A. S. JohnsonTreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983Nilgiri 
Eucalyptus viminalis Labill.TreeWestern Ghats, High Altitude, Cultivated, Native of Australia Flora of Tamil Nadu, VOL. I, 1983 Dindigul Manna Gum
 
 
 
Botanical name Family Common name
Eucalyptus deglupta Myrtaceae Rainbow Eucalyptus
Eucalyptus microtheca Myrtaceae Coolabah
Eucalyptus tereticornis Myrtaceae Forest Red Gum
 
 
Eucalyptus citriodora = Corymbia citriodora (Hook.) K. D. Hill & L. A. S. Johnson
Eucalyptus torelliana = Corymbia torelliana (F. Muell.) K. D. Hill & L. A. S. Johnson
 
ABSTRACT : Eucalypt has come to stay in India. Large scale plantations have been raised in government owned and private farm lands; the planting is continuing. There is vast potential to grow the species economically on farm and waste land in suitable zones. Eucalypt meets requirements of people and industries and has helped to reduce pressure on natural forests. The uses of eucalypt are varied; people are realising this fast. The economical, social and ecological aspects of the species are receiving proper attention to understand its impact and to avoid indisriminate planting. The present studies are not conclusive, particularly in ecological aspects; further studies are indicated. Growth is varied; clonal selection, propagation and planting will improve uniform production. Government intervention in marketing is necessary to safeguard the interest of farmers.
Plantations raised in some of the important States
Andhra Pradesh: The main species raised is Eucalyptus hybrid, other species are E. camaldulensis and E. tereticornis.
Bihar: The species planted is E. hybrid;
Haryana: Eucalyptus hybrid, E. citriodora, and E. crebra were introduced in Haryana State during the forties.
Kerala: Over 38,000 ha of plantations of Eucalyptus grandis were raised by the Forest Department in grass lands in high rainfall ranges since 1958. Most of these plantations died due to pink disease. The effort of planting of Eucalyptus tereticornis at lower elevations for supply of pulpwood did not show much success.
Maharashtra: The main species raised are E. hybrid and E. camaldulensis in the dry zone. In high rainfall areas Eucalyptus grandis followed by E. robusta and Eucalyptus saligna were found to be more suitable.
Punjab: Under the Social Forestry Schemes farmers were encouraged to grow Eucalyptus hybrid on boundaries of agricultural fields and on either side of irrigation channels.
Tamil Nadu: Eucalyptus globulus plantations were raised in Nilgiri and Kodaikanal hills in the past to meet the firewood needs. At medium elevations Eucalyptus hybrid was raised.
Uttar Pradesh: Large scale planting of Eucalyptus hybrid was started in U.P. in 1962 in the Terai region with mechanisation practices.
Karnataka: Eucalyptus hybrid is also one of the species in over 443,000 ha of miscellaneous plantations raised. In addition, the Forest Plantation Corporation has raised 48,000 ha of Eucalyptus hybrid plantations.
 
Comparison of various eucalyptus species for their morphological, chemical, pulp. : Indian Journal of Chemical Technology. Vol. 18, March 2011, pp. 145-151. :
Eucalyptus euryphylla (L.A.S.Johnson ex G.J.Leach) Brookeris a synonym of Angophora euryphylla (L.A.S.Johnson ex G.J.Leach) L.A.S.Johnson & K.D.Hill
Eucalyptus torelliana = Corymbia torelliana (F. Muell.) K. D. Hill & L. A. S. Johnson
 
India's Eucalyptus Craze: The God that Failed by N C Saxena SAGE Publications, 09-Aug-1994 - Business & Economics - 264 pages
 
Eucalyptus: The Genus Eucalyptus edited by John J.W. Coppen (2003)- Details
 
Eucalyptus: Enduring Myths, Stunning Realities By S.A. Abbasi (2004)- Details
 
An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1995)- Details with keys-
 
Monograph on eucalyptus by Dina Nath Tewari Surya Publications, 1992 - Eucalyptus - 361 pages
 
CRC World Dictionary of Medicinal and Poisonous Plants: Common Names ... By Umberto Quattrocchi (2012)- Detilas- p. 1653-
Eucalyptus citriodora = Corymbia citriodora (Hook.) K. D. Hill & L. A. S. Johnson
 
Eucalyptus & Corymbia : 1 post by 1 author.

I have updated eFI (efloraofindia) page on Eucalyptus & Corymbia

Attempts have been made to incorporate most of the species available in India & nearby areas with details & keys directly or through links as far as possible. It’s quite possible that there may be some discrepancy in the accepted names & synonyms taken from other links.

Species discussed so far in efloraofindia are given at the bottom of the page in the form of links against Subpages. On clicking them one can see all the details.

If someone can provide complete list of species found in India with source references it will be wonderful.

Any comments/ corrections are welcome.

 

Pl. go through ‎Eucalyptus ‎(Myrtaceae) page with images of species in efloraofindia.

If you find any incorrect identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, or can identify unidentified images, it will be really nice.