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Eucalyptus Newsletter nº 17 - by Celso Foelkel

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by Celso Foelkel


Summary of Contents



Previous Issues


Eucalyptus Online Book & Newsletter are technical information texts written and made available free of charge to all people involved with the forestry and utilization of the Eucalyptus. It depends only on registering yourself to receive them.

Technical coordination - Celso Foelkel
Webmaster / editing - Alessandra Foelkel
Celsius Degree: Phone (+55-51) 3338-4809
Copyright © 2007-2010

This knowledge oriented service was made possible through sponsoring support provided by ABTCP - Brazilian Technical Association of Pulp and Paper and by Botnia, Aracruz, International Paper do Brasil, Conestoga-Rovers & Associates, Suzano & Votorantim Celulose e Papel. The opinions expressed in the texts are those of the author or coming from the referenced technical literature. They do not necessarily reflect the views of the sponsors.


Grau Celsius - Celsius Degree - Celso Foelkel Eucalyptus WisdomGrau Celsius - Celsius Degree - Celso Foelkel Eucalyptus Wisdom - Sabiduria Eucaliptica de Celso Foelkel

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Eucalyptus Forests... down under (I)

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Discovering Eucalyptus: Dru Sclerophyll Forests - Kalgoorlie, Western Australia - by Leif Stridvall / Descubriendo los eucaliptos: Bosques escleroficos secos - Kalgoorlie, Australia Occidental - por Leif Stridvall / Gustavo Iglesias Trabado -GIT Forestry Consulting - Eucalyptologics: Information resources on Eucalyptus cultivation worldwide / Recursos de informacion sobre cultivo del eucalipto en el mundo

Dry Sclerophyll Eucalyptus Savannah (WA)

(Click image to enlarge)




"... Detesting, as I do, the whole tribe of gum trees, I never lose an opportunity of saying exactly what I think about this particularly odious representative of the brood, this eyesore, this grey-haired scarecrow, this reptile of a growth with which a pack of misguided enthusiasts have disfigured the entire Mediterranean basin..."

"These abominations may look better on their native heath: I sincerely hope they do."



Eucalyptus torquata - Coral Gum - Eucalipto de Coral - by Dan Anderson / Gustavo Iglesias Trabado - GIT Forestry Consulting - Eucalyptologics: Information resources on Eucalyptus cultivation worldwide / Recursos de informacion sobre cultivo del eucalipto en el mundo



"... the intruder should be expelled without mercy. A single eucalyptus will ruin the fairest landscape. No plant on earth rustles in such a horribly metallic fashion when the wind blows through those everlastingly withered branches; the noise chills one to the marrow; it is like the sibilant chattering of ghosts..."



Eucalyptus kruseana - Bookleaf Mallee - Eucalipto de Kruse - by Georgie Sharp / Gustavo Iglesias Trabado - GIT Forestry Consulting - Eucalyptologics: Information resources on Eucalyptus cultivation worldwide / Recursos de informacion sobre cultivo del eucalipto en el mundo



"But I confess that this ... almost reconciled me to the existence of the anaemic Antipodeans. ... Gazing upon them, my heart softened and I almost forgave the gums their manifold iniquities..."



Thanks to Leif & Anita Stridvall, Georgie Sharp & Dan @ Tree Species for their photographic contributions. And to Norman Douglas for softening.


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Pine Woodlands of Spain: The Invisible Diversity

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Pinares y Rodenales en España: La Diversidad que no se ve / Pine Woodlands in Spain: The Invisible Diversity / by Luis Gil Sanchez / Gustavo Iglesias Trabado / GIT Forestry Consulting, Lugo, Galicia, España, Spain / Eucalyptologics: Information Resources on Eucalyptus Cultivation Worldwide / Recursos de informacion sobre el cultivo del eucalipto en el mundo

PINE WOODLANDS OF SPAIN: The Invisible Diversity.
By Luis Gil Sánchez (*)


Pinares y Rodenales en España: La Diversidad que no se ve / Pine Woodlands in Spain: The Invisible Diversity / by Luis Gil Sanchez / Real Academia de Ingenieria / Royal Academy of Engineering / Gustavo Iglesias Trabado / GIT Forestry Consulting, Lugo, Galicia, España, Spain / Eucalyptologics: Information Resources on Eucalyptus Cultivation Worldwide / Recursos de informacion sobre el cultivo del eucalipto en el mundo

Click to see the cover and index of Gil Sánchez induction speech at Real Academia de Ingenieria




Un Ejemplo de ¿Gestión? Ambiental de eucaliptales...

"... están en trance de desaparecer los ya escasos viejos alcornoques –conocidos como “pajareras”– del Parque Nacional de Doñana. Su pérdida está motivada por su prolongada utilización como “mamporreros vegetales” ... impuesto por los “canónigos de la protección”, pues sólo suponía la extinción local de una especie abundante en el ámbito peninsular y sin proyección mediática, en beneficio de que nidifiquen y se reproduzcan las colonias de garzas y espátulas.

Estos animales ignoran la “nobleza” de las especies cuando las eligen para nidificar, sólo quieren altura, y lo habrían hecho igual sobre los enormes eucaliptos que existían en el entorno y que fueron talados, sin más provecho que el de no ver especies exóticas en el entorno. Fue preferible no molestar a las aves a su regreso, dejándolas que se aposentaran en los alcornoques, que aceptar que los foráneos eucaliptos pudieran servir para algo más que para pasta de papel."

An Example of Eucalyptus Environmental Management(?)...

"... about to disappear the already scarce ancient cork oaks, also known as birdcages, at Doñana National Park. The loss is caused by their lengthy late use as "nesting perches" forced by "conservation gurus", and justified as this tree function was "just" to mean a local extinction event for an abundant and not too popularly mediatic tree species in Iberia, in exchange for the benefit of reproductive success in colonies of herons and spoombills.

These animals ignore however the "degree of nobility" of tree species when choosing them for nest building. They just need height. And they would have succeeded anyway nesting among the not so ancient but tall eucalypts that existed in this habitat and which were chopped for no benefit except the pleasure for some of not seeing alien species around anymore. It was preferred not to annoy the birds in their migration, leaving the nowadays dying cork oaks as perches, than accepting the alien eucalypts could be useful for another purpose than producing cellulosic pulp..."

(*)= Prof. Dr. Luis Gil Sánchez is a Forestry Engineer, Tree Geneticist and Doctor in Biology, Chair of Silvopastoral Systems at ETSIM-UPM, and this publication is his induction speech as a fellow of the Spanish Royal Academy of Engineering.



PINE WOODLANDS OF SPAIN: The Invisible Diversity.




You can also read selected excerpts of this work at Wikisilva - Aula de Silvicultura



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Contact GIT Forestry Consulting / Contact Eucalyptologics / Contacto GIT Forestry Consulting / Contacto Eucalyptologics / Lugo, Galicia, Spain, España

Contact GIT Forestry Consulting - Eucalyptologics

EUCALYPTOLOGICS: GIT Forestry Consulting Eucalyptus Blog / Information Resources on Eucalyptus Cultivation Worldwide / Forestry Engineering, Eucalyptus Seed, Eucalyptus Plants, Eucalyptus Wood, Eucalyptus Honey, Eucalyptus Essential Oil, Eucalyptus Forests, Eucalyptus Plantations, Eucalyptus Timber, Eucalyptus Lumber, Eucalyptus Furniture, Eucalyptus Veneer, Eucalyptus Plywood, Eucalyptus MDF Board, Eucalyptus Cellulose, Eucalyptus Paper, Eucalyptus Biomass, Eucalyptus Energy, Eucalyptus Floristry, Eucalyptus Foliage, Eucalyptus Garden / Ingenieria Forestal, Semilla de eucalipto, Plantas de eucalipto, Madera de eucalipto, Miel de eucalipto, Aceite Esencial de eucalipto, Bosque de eucalipto, Plantacion de eucalipto, Muebles de eucalipto, Tablero de eucalipto, MDF de eucalipto, Celulosa de eucalipto, Papel de eucalipto, Biomasa de eucalipto, Energia de eucalipto, Ramillo Verde Ornamental de Eucalipto, Jardin de EucaliptoGIT's Eucalyptology Topics

© 2007-2008 Gustavo Iglesias Trabado. Please contact us if you want to use all or part of this text and photography elsewhere. We like to share, but we do not like rudeness.

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Eucalyptus: Sustainable Development Opportunities

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by
CIB - Brazilian Council for Information on Biotechnology


Guia do Eucalipto: Oportunidades para o Desenvolvemento Sostible / Conselho de Informacioes sobre Biotecnologia, Brasil / Eucalyptus Guide: Opportunities for Sustainable Development / CIB - Brazilian Council for Information on Biotechnology / GIT Forestry Consulting - EUCALYPTOLOGICS, Lugo, Galicia, España, Spain / Information Resources on Eucalyptus Cultivation Worldwide / Recursos de Informacion sobre Cultivo del Eucalipto en el Mundo(Click image to enlarge)



Summary of Contents

  • A BIT OF HISTORY: Eucalyptus origin, timeline, Brazilian scenario, Importance of forestry for Brazil
  • GENETICS: Classic Genetic Improvement, Eucalyptus hybrids, Biotechnology Applications, Present and Future
  • ENVIRONMENTAL SECURITY: Bio-security of Genetically Modified Eucalyptus, Legal Framework for the release of GM organisms
  • GENETICALLY MODIFIED EUCALYPTUS IN BRAZIL: Approval
  • ECONOMIC POTENTIAL: Eucalyptus Competitivity in the Global Market, Productivity: Brazil vs. World
  • EUCALYPTUS PRODUCTS: Roundwood, Industrial Wood, Cellulose & Sawnwood + Ethanol, Essential Oil, CO2 Sequestration & Other Externalities
  • MYTH & TRUTH: Key Issues on Eucalyptus Production
  • APPENDIX: National and International Data Tables



Guia do Eucalipto: Oportunidades para o Desenvolvemento Sostible / Conselho de Informacioes sobre Biotecnologia, Brasil / Eucalyptus Guide: Opportunities for Sustainable Development / CIB - Brazilian Council for Information on Biotechnology / GIT Forestry Consulting - EUCALYPTOLOGICS, Lugo, Galicia, España, Spain / Information Resources on Eucalyptus Cultivation Worldwide / Recursos de Informacion sobre Cultivo del Eucalipto en el Mundo




ArborGen's Genetically Modified (transgenic) hybrid Eucalyptus trials in South Eastern USA: survival, performance & cold hardiness tests


ArborGen / Genetically modified Eucalyptus / ArborGen Cold hardy transgenic hybrid Eucalyptus urograndis trials in Alabama, Florida and South Carolina / / Gustavo Iglesias Trabado, Roberto Carballeira Tenreiro & Javier Folgueira Lozano / GIT Forestry Consulting SL, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo

(Click the image to enlarge)




Have you read the EUCALYPTUS ONLINE NEWSLETTER?


Grau Celsius - Celsius Degree - Celso Foelkel Eucalyptus WisdomTechnical coordination - Celso Foelkel
Webmaster / editing - Alessandra Foelkel
Celsius Degree: Phone (+55-51) 3338-4809
Copyright © 2007-2010


Grau Celsius - Celsius Degree - Celso Foelkel Eucalyptus Wisdom - Sabiduria Eucaliptica de Celso Foelkel

Eucalyptus Online Book & Newsletter are technical information texts written and made available free of charge to all people involved with the forestry and utilization of the Eucalyptus. It depends only on registering yourself to receive them.

This knowledge oriented service was made possible through sponsoring support provided by ABTCP - Brazilian Technical Association of Pulp and Paper and by Botnia, Aracruz, International Paper do Brasil, Conestoga-Rovers & Associates and Suzano. The opinions expressed in the texts are those of the author or coming from the referenced technical literature. They do not necessarily reflect the views of the sponsors.

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Pinusletter nº 10 - by Ester Foelkel

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PinusLetter, Octubre 2008, by Ester Foelkel / Pinus Wisdom from Brazil / Boletín Online PinusLetter, Octubre 2008 / Sabiduría en pinos desde Brasil /Eucalyptus Online Book and Newsletter, by Celso Foelkel / Eucalyptus Wisdom from Brazil / Boletín Online Eucalipto, por Celso Foelkel / Sabiduría eucalíptica desde Brasil / Grau Celsius / Celsius Degree

by Ester Foelkel


Summary of Contents

Previous Issues


PinusLetter by Ester Foelkel / Pinus Wisdom from Brazil / Boletín Online PinusLetter por Ester Foelkel / Sabiduría en pinos desde Brasil /Eucalyptus Online Book and Newsletter, by Celso Foelkel / Eucalyptus Wisdom from Brazil / Boletín Online Eucalipto, por Celso Foelkel / Sabiduría eucalíptica desde Brasil / Grau Celsius / Celsius Degree
PinusLetter is a new creation of Celsius Degree, a vision for the development of cultivated forests and their products based on the concepts of technology, eco-efficiency, economy and social and environmental sustainability. The main stars of this newsletter will be tree species within genus Pinus. This free online publication is a courtesy of ABTCP - Brazilian Society for Pulp & Paper Technology and CRA - Conestoga-Rovers & Associados - Engenharia SA. It will be first launched in Portuguese language only but will include references to articles, websites and Pinus-Links at a global level. Hence, you will be redirected to visit sites in English, Spanish, French languages, in addition to Portuguese.


Grau Celsius - Celsius Degree - Celso Foelkel Eucalyptus WisdomCoordenação e Redação Técnica - Ester Foelkel & Celso Foelkel
Editoração - Alessandra Foelkel
GRAU CELSIUS: Tel.(51) 3338-4809
Copyrights © 2005-2008

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Pink flowered eucalypts blooming... in Florida

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Swamp Bloodwood eucalypts: pink flowered tropical ornamentals
Notes on phenology and cultivation of Corymbia ptychocarpa (ex Eucalyptus ptychocarpa)

Gustavo Iglesias Trabado Contact GIT Forestry Consulting
GIT Forestry Consulting - Consultoría y Servicios de Ingeniería Agroforestal - www.git-forestry.com - EUCALYPTOLOGICS

We have previously seen at EUCALYPTOLOGICS that one of the main ornamental features of Eucalyptus has to do with their flowers, their shapes, sizes and colours. Typical commonly cultivated species out of Australia usually have white stamens, and can be attractive both when individual flowers are of a big size, or when small sized flowers are well arranged in attractive clusters. But there are other possibilities with varying cold hardiness suitable for cultivation either in mediterranean, cold temperate or subtropical climates.

Corymbia ptychocarpa tropical ornamental eucalypt in bloom, Leu Gardens, Orlando, Florida / Eucalipto ornamental tropical de flor roja, Leu Gardens / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo

Fig. 1: Pink flower detail for Corymbia ptychocarpa at Harry P. Leu Gardens. (Image courtesy Eric Schmidt, click to enlarge)

Swamp Bloodwoods have started blooming by October at Leu Gardens (Orlando, Florida), our friend Eric Schmidt, resident Botanical Records Specialist, reports. And this type of tree is exactly one of the nice possibilities for the ornamental use of red or pink flowering eucalypts in tropical or subtropical climates.

Corymbia ptychocarpa tropical ornamental eucalypt in bloom, Leu Gardens, Orlando, Florida / Eucalipto ornamental tropical de flor roja, Leu Gardens / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo

Fig. 2: Pink blooms in C. ptychocarpa ssp. ptychocarpa at Leu Gardens. (Image courtesy Eric Schmidt, click to enlarge)

With two main subspecies (ssp. ptychocarpa and ssp. aptycha), the natural habitat of this eucalypt is the Northern Coast of Australia, spanning scattered from QLD to WA. Temperatures here are mild day-long and year-long, frost is unheard of, and humidity levels are regularly high all over the year or at least there is a marked rainy season at some point.

Not surprisingly, this bloodwood eucalypt has become popular as a small tree in parks and gardens of the Northern Territory, where it is native and can bloom from February to June.

Corymbia ptychocarpa tropical ornamental eucalypt in bloom, Leu Gardens, Orlando, Florida / Eucalipto ornamental tropical de flor roja, Leu Gardens / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo

Fig. 3: Large broad adult leaves of C. ptychocarpa at Leu Gardens. (Image courtesy Eric Schmidt, click to enlarge)

So it is popular overseas. As Ester Foelkel reminds us, C. ptychocarpa is the main pink flowering eucalypt cultivated in alike climates of Brazil. And as we see at Leu Gardens, it can also thrive and bloom in the mildest areas of Florida even in its early years.


Fig. 4: Val Littlewood's botanical sketch of Leaf and Fruit of C. ptychocarpa at Leu Gardens (Orlando, FL). Click the image to visit Val's Pencil and Leaf weblog, depicting the flora and fauna at Leu!

It could probably acclimatize well also in not so subtropical climates, with a mediterranean or mild temperate tendence even, as long as absolute minimum temperatures never go below -3ºC (25ºF, equating to USDA Zone 10 or the mildest part of Zone 9) and water supply is abundant, but not excessive. Unlike its close relative species C. ficifolia, it should not be too comfortable in arid conditions. Proper microclimates would increase the chance of survival, and sunny and sheltered spots would increase the chances of early blooming.

Worth to test as described in suitable areas of the TRO (safe), MED1 (risky) or EUCF (risky) zones for Eucalyptus cultivation in Europe, especially wherever blooming C. ficifolia can be used as indicator species. Not in vain some of the most popular ornamental eucalypt hybrid cultivars are the result of crossing both species.

Also in EUCALYPTOLOGICS...


Cold hardiness in Eucalyptus leucoxylon Rosea / Cold hardy Pink flower Eucalyptus in bloom / Resistencia al frio de Eucalipto leucoxylon / Eucalipto de flor roja en floracion / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, Spain, España / EUCALYPTOLOGICSPink flowered Eucalyptus leucoxylon 'Rosea' in bloom in the UK.
(Photo courtesy Matt Smith)


Discovering Eucalyptus: Anthesis (I) / Descubriendo los Eucalyptus: Antesis / Eucalyptus Botanical Art / Macro Photography / Brian Johnston, Toronto, Canada / Gustavo Iglesias Trabado / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo

Anthesis in Eucalyptus robusta (Swamp Mahogany) flowers.
Photography by Brian Johnston (Click image to enlarge)

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Contact GIT Forestry Consulting / Contact Eucalyptologics / Contacto GIT Forestry Consulting / Contacto Eucalyptologics / Lugo, Galicia, Spain, España


EUCALYPTOLOGICS: GIT Forestry Consulting Eucalyptus Blog / Information Resources on Eucalyptus Cultivation Worldwide / Forestry Engineering, Eucalyptus Seed, Eucalyptus Plants, Eucalyptus Wood, Eucalyptus Honey, Eucalyptus Essential Oil, Eucalyptus Forests, Eucalyptus Plantations, Eucalyptus Timber, Eucalyptus Lumber, Eucalyptus Furniture, Eucalyptus Veneer, Eucalyptus Plywood, Eucalyptus MDF Board, Eucalyptus Cellulose, Eucalyptus Paper, Eucalyptus Biomass, Eucalyptus Energy, Eucalyptus Floristry, Eucalyptus Foliage, Eucalyptus Garden / Ingenieria Forestal, Semilla de eucalipto, Plantas de eucalipto, Madera de eucalipto, Miel de eucalipto, Aceite Esencial de eucalipto, Bosque de eucalipto, Plantacion de eucalipto, Muebles de eucalipto, Tablero de eucalipto, MDF de eucalipto, Celulosa de eucalipto, Papel de eucalipto, Biomasa de eucalipto, Energia de eucalipto, Ramillo Verde Ornamental de Eucalipto, Jardin de EucaliptoGIT's Eucalyptology Topics

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© 2007-2008 Gustavo Iglesias Trabado. Please contact us if you want to use all or part of this text and photography elsewhere. We like to share, but we do not like rudeness.

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Centurion: World's Tallest Eucalyptus Tree Found

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Tallest Eucalyptus discovered in Tasmania: Eucalyptus regnans

Forestry Tasmania reports a 101 meter height and 4 meter diameter monster Eucalyptus found near the Tahune Airwalk, 75 km away from Hobart.

David Mannes besides Centurion, world's tallest Eucalyptus (Image courtesy of The Mercury, the voice of Tasmania)

We woke up today at EUCALYPTOLOGICS with big tree news. Centurion, as the newly discovered giant Mountain Ash (Eucalyptus regnans) has been named, joins the Tallest Known Alive Tree Club (which includes champions as Hyperion & the Stratosphere Giant, famous Californian coast redwoods) as the tallest known alive hardwood and the tallest known alive Eucalyptus, surpassing another King Regnans in Tasmania, Icarus Dream, which reaches 97 m high.
Centurion, tallest Eucalyptus video / Eucalyptologics / Courtesy ABC NewsClick to watch a video of Centurion (courtesy ABC News, Australia)

After measuring Centurion using LiDAR laser and ground methods, Forestry Tasmania officers Mayo Kajitani & David Mannes located another neighbour giant eucalypt reaching 87.5 m high, which was named Triarius.

Centurion & Triarius will also join celebritrees as Icarus Dream, Damocles, Gothmog, Gandalf's Staff or the White Knight in Australia's Giant Tree Club (www.gianttrees.com.au), examples of Tasmania's world heritage to preserve and admire.

Walk among giants at Forestry Tasmania's Tahune Airwalk!




Watch Nick Duigan & Andrew Hart "Going Bush" beyond the Tahune Airwalk to meet the tallest known standing true flowering plant in the World... amidst the tall wet eucalypt forests of Tasmania... and show you dendrologists Tom Greenwood & Brett Mifsud preparing for a Giant Tree Climb: the ascent to and measurement of The Centurion, the tallest known standing eucalypt at 99.6 meters height, discovered by Forestry Tasmania's forester David Mannes back in 2008... Eucalyptus regnans, King of Eucalypt Trees! (Click play to watch the video, courtesy of Forestry Tasmania)


And do not forget to also watch Sir David Attenborough's video with King Regnans!



Also in EUCALYPTOLOGICS...



Australian Botanist Dr Dean Nicolle, German Geoecologist Annett Boerner from the Max Planck Society and Spanish forester Gustavo Iglesias from GIT Forestry trek the coastal eucalypt rainforest of Spain and Portugal to measure and assess the tallest Eucalyptus trees in Europe / El botanico australiano Dr Dean Nicolle, la Geoecologa alemana Annett Boerner de la Sociedad Max Planck para el Avance de la Ciencia y el forestal Gustavo Iglesias de GIT Forestry exploran el bosque lluvioso costero de eucalipto de España y Portugal para medir y evaluar algunos de los arboles mas altos de Europa / Gustavo Iglesias Trabado, Roberto Carballeira Tenreiro and Javier Folgueira Lozano / GIT Forestry Consulting SL, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo


Giant Eucalyptus trees in Spain and Portugal: Karri Knight & Grandpa / Eucaliptos gigantes de España y Portugal: Caballero Karri & El Abuelo de Chavín / / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo Tallest European Eucalyptus: Giant Eucalypt Trees in Portugal & Spain
Giant Eucalyptus globulus ssp globulus in the Northern coast of Galicia, Spain / Ejemplar gigante de Eucalipto blanco en la costa norte de Galicia, España / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo O Avó de Chavín: Grandpa, a video of the giant Eucalyptus globulus
Tallest tree in Africa: Giant Eucalyptus saligna at Woodbush Forest Reserve, South Africa / El arbol mas alto de Africa: Eucalipto saligna gigante en la Reserva Forestal de Woodbush, Sudafrica / by Izak van der Merwe / Gustavo Iglesias Trabado / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo
O'Connor Giants: Tallest trees in Africa are Eucalyptus
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Contact GIT Forestry Consulting / Contact Eucalyptologics / Contacto GIT Forestry Consulting / Contacto Eucalyptologics / Lugo, Galicia, Spain, EspañaContact GIT Forestry Consulting - Eucalyptologics

EUCALYPTOLOGICS: GIT Forestry Consulting Eucalyptus Blog / Information Resources on Eucalyptus Cultivation Worldwide / Forestry Engineering, Eucalyptus Seed, Eucalyptus Plants, Eucalyptus Wood, Eucalyptus Honey, Eucalyptus Essential Oil, Eucalyptus Forests, Eucalyptus Plantations, Eucalyptus Timber, Eucalyptus Lumber, Eucalyptus Furniture, Eucalyptus Veneer, Eucalyptus Plywood, Eucalyptus MDF Board, Eucalyptus Cellulose, Eucalyptus Paper, Eucalyptus Biomass, Eucalyptus Energy, Eucalyptus Floristry, Eucalyptus Foliage, Eucalyptus Garden / Ingenieria Forestal, Semilla de eucalipto, Plantas de eucalipto, Madera de eucalipto, Miel de eucalipto, Aceite Esencial de eucalipto, Bosque de eucalipto, Plantacion de eucalipto, Muebles de eucalipto, Tablero de eucalipto, MDF de eucalipto, Celulosa de eucalipto, Papel de eucalipto, Biomasa de eucalipto, Energia de eucalipto, Ramillo Verde Ornamental de Eucalipto, Jardin de EucaliptoGIT's Eucalyptology Topics

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© 2007-2011 Gustavo Iglesias Trabado. Please contact us if you want to use all or part of this text and photography elsewhere. We like to share, but we do not like rudeness.

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Eucalyptus species identification (V): leaves help

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By their fruits ye shall know them (V)
Even more tips on Eucalyptus Identification

Gustavo Iglesias Trabado Contact GIT Forestry Consulting
GIT Forestry Consulting - Consultoría y Servicios de Ingeniería Agroforestal - www.git-forestry.com

We have previously seen in EUCALYPTOLOGICS how bark features alone can be misleading for accurate Eucalyptus species identification, showing examples of different bark types for the same eucalypt species and of similar bark types for different eucalypt species. We have also seen how in some cases just a small sample of flower buds can work well, and also an example of how even just a distant photograph of Eucalyptus seed cups (fruits) can yield an accurate identification. Today we will see yet another different case, in which inflorescence similarities force the consideration of other details.

Eucalyptus species identification by botanical comparison of leaves, flower buds and fruits / Identificacion botanica de especies de eucalipto por comparacion de hojas flores y frutos / Eucalyptus kybeanensis, Kybean Mallee Ash / Gustavo Iglesias Trabado / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo

Fig. 1: Example of leaf comparison assisting flower comparison for accurate Eucalyptus species identification (Click image to enlarge)



Our friend Barrie at Las Palmas Norte-Hardy Palm & Exotics (Lantzville, British Columbia) reported the case of a mystery Eucalyptus in Canada that might require a confirmation of its identification.

The main doubt arising was its striking similarity to a Snow Gum (E. pauciflora and allied species and subspecies) for a good number of visual parameters.

Indeed, pictures of the tree in question showed similarities for flower bud clusters, general leaf shape, and not a too dissimilar bark outlook for the case of a young specimen. The most likely candidate within the Snow Gums to match this tree was E. pauciflora ssp. pauciflora, a normally narrow leaved form of the species.

The alternative species suggested by our also eucalyptologist friend Ian Barclay at The Desert Northwest (Sequim, Washington) was E. kybeanensis, the Kybean Mallee Ash.  And he might well be totally right.

The plate above provides a comparative view of both species, depicting their similarities for flower buds and bloooms, but also showing how, for this case, observation of leaf shape and size, but more importantly, of leaf venation patterns, can yield an accurate Eucalyptus identification.

In other words: "by their buds and fruits you will know them, but do not forget the other details".


Also in Eucalyptologics...







Eucalyptus seed capsules, flower buds, immature seed pods, mature seed pods, senescent seed pods, capsule collection and seed extraction methodology / Semilla de eucalipto, flor de eucalipto, capsulas inmaduras de eucalipto, capsulas maduras de eucalipto, capsulas extramaduras de eucalipto y metodos para cosecha de semilla de eucalipto / Eucalyptus pauciflora seed / Snow Gum Seed / Semilla de Eucalipto de las Nieves / Gustavo Iglesias Trabado / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundoDifferent simultaneous stages of the reproductive cycle and eucalypt seed maturation process in a standing Snow Gum Eucalyptus tree.(Click to enlarge)

Cold hardy Eucalyptus forestry seedling nurseries in Galicia / Viveros de planta de eucalipto resistente a la helada en Galicia / Gustavo Iglesias Trabado / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundoAfter Eucalyptus seed collection: examples of Eucalyptus seedling nursery stock for afforestation (Click to enlarge)


Find a local expert to ID your Eucalyptus

If you have an unknown eucalypt around and you are able to collect and photograph samples of the key organs needed for identification, do not hesitate contacting GIT Forestry Consulting.

Eucalyptus species identification: Contact GIT Forestry Consulting / Identificación de especies de eucalipto: Contacte a GIT Forestry Consulting / Gustavo Iglesias Trabado / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain / Eucalyptologics, information resources on Eucalyptus cultivation around the world / Eucalyptologics, recursos de informacion sobre el cultivo del eucalipto en el mundo

If you are in the USA and find it easier to post fresh samples to a local expert, you can also contact Dr. Matt Ritter, resident eucalypt hunter at the California Polytechnic State University.




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© 2008 Gustavo Iglesias Trabado. Please contact us if you want to use all or part of this text and photography elsewhere. We like to share, but we do not like rudeness.

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