Eucalyptus Racemosa Subsp

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Plants of South Eastern New South Wales Gumnuts. Australian Plant Image Index, photographers Brooker & Kleinig Flowers, buds, and leaves. Australian Plant Image Index, photographer Murray Fagg, Royal Botanic Gardens Mt Annan, near Campbelltown Scribbles on bark. Australian Plant Image Index, Tree. Australian Plant Image Index, photographers photographer Murray Fagg, Fitzroy Falls, Morton Brooker & Kleinig, Putty Road west of Sydney National Park Common name Scribbly gum, Narrow-leaved Scribbly Gum, Snappy Gum, Hard-leaved Scribbly Gum Family Myrtaceae Where found Dry forest and woodland. Coast, ranges, and tablelands, north of Batemans Bay. Notes Tree to 20 m tall, rarely a mallee. Bark smooth throughout, with scribbles, shedding in short ribbons, often powdery. Juvenile leaves opposite each other for 3 to 6 pairs, then alternating up the stems, 5-17 cm long, 25-85 mm wide, dull, blue-green or grey- green to green. Adult leaves alternating up the stems, 5-20 cm long, 10-40 mm wide, glossy to dull, grey-green to green. Flowers white, with 0 petals. Flower clusters 7-15 flowered, usually at the bases of the leaves, but occasionally forming large compound clusters at the ends of the branchlets. Mature flower buds 3–6 mm long, caps shorter than the base. A few outer stamens not producing pollen. Flowers most of the year. Gumnuts 4-7 mm in diameter. Gumnuts that have dropped their seed have valves that are not very noticeable. Extensive intergradation occurs with Eucalyptus haemastoma. PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl? page=nswfl&lvl=sp&name=Eucalyptus~racemosa (accessed 20 April 2021). Eucalyptus racemosa subsp. racemosa in EUCLID. EUCLID description (as Eucalyptus racemosa subsp. racemosa): https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_racemosa_subsp._racemosa.htm (accessed 20 April 2021) Author: Betty Wood. This identification key and fact sheets are available as a free mobile application: Android edition iOS edition Creative Commons Attribution 3.0 Australia (CC BY).

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Gum Trees Talk Notes
Australian Plants Society NORTH SHORE GROUP Eucalyptus, Angophora, Corymbia FAMILY MYRTACEAE GUM TREES OF THE KU-RING-GAI WILDFLOWER GARDEN Did you know that: • The fossil evidence for the first known Gum Tree was from the Tertiary 35-40 million years ago. • Myrtaceae is a very large family of over 140 genera and 3000 species of evergreen trees and shrubs. • There are over 900 species of Gum Trees in the Family Myrtaceae in Australia. • In the KWG, the Gum Trees are represented in the 3 genera: Eucalyptus, Angophora & Corymbia. • The name Eucalyptus is derived from the Greek eu = well and kalyptos = covered. BRIEF HISTORY E. obliqua The 18th &19th centuries were periods of extensive land exploration in Australia. Enormous numbers of specimens of native flora were collected and ended up in England. The first recorded scientific collection of Australian flora was made by Joseph Banks and Daniel Solander, during Sir James Cook’s 1st voyage to Botany Bay in April 1770. From 1800-1810, George Caley collected widely in N.S.W with exceptional skill and knowledge in his observations, superb preservation of plant specimens, extensive records and fluent expression in written records. It is a great pity that his findings were not published and he didn’t receive the recognition he deserved. The identification and classification of the Australian genus Eucalyptus began in 1788 when the French botanist Charles L’Heritier de Brutelle named a specimen in the British Museum London, Eucalyptus obliqua. This specimen was collected by botanist David Nelson on Captain Cook’s ill- fated third expedition in 1777 to Adventure Bay on Tasmania’s Bruny Is.
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The 1770 Landscape of Botany Bay, the Plants Collected by Banks and Solander and Rehabilitation of Natural Vegetation at Kurnell
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Hochschulschriftenserver - Universität Frankfurt am Main Backdrop to encounter: the 1770 landscape of Botany Bay, the plants collected by Banks and Solander and rehabilitation of natural vegetation at Kurnell Doug Benson1 and Georgina Eldershaw2 1Botanic Gardens Trust, Mrs Macquaries Rd Sydney 2000 AUSTRALIA email [email protected] 2Parks & Wildlife Division, Dept of Environment and Conservation (NSW), PO Box 375 Kurnell NSW 2231 AUSTRALIA email [email protected] Abstract: The first scientific observations on the flora of eastern Australia were made at Botany Bay in April–May 1770. We discuss the landscapes of Botany Bay and particularly of the historic landing place at Kurnell (lat 34˚ 00’ S, long 151˚ 13’ E) (about 16 km south of central Sydney), as described in the journals of Lieutenant James Cook and Joseph Banks on the Endeavour voyage in 1770. We list 132 plant species that were collected at Botany Bay by Banks and Daniel Solander, the first scientific collections of Australian flora. The list is based on a critical assessment of unpublished lists compiled by authors who had access to the collection of the British Museum (now Natural History Museum), together with species from material at National Herbarium of New South Wales that has not been previously available. The list includes Bidens pilosa which has been previously regarded as an introduced species. In 1770 the Europeans set foot on Aboriginal land of the Dharawal people. Since that time the landscape has been altered in response to a succession of different land-uses; farming and grazing, commemorative tree planting, parkland planting, and pleasure ground and tourist visitation.
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Relationship Between Leaf Traits, Insect Communities and Resource Availability
Relationship between Leaf Traits, Insect Communities and Resource Availability Emma Laxton BSc (Hons), BA (Hons), MIntS Department of Biological Sciences Division of Environment and Life Sciences Macquarie University North Ryde, NSW 2109 Australia Thesis submitted for the degree of Doctor of Philosophy November 2005 The work described in this thesis is original and has not been submitted in any form for a higher degree at any other university or institution. All of the work presented in this thesis is my own and was undertaken during my PhD candidature: February 2002 to November 2005. November 2005 Emma Laxton 2 Abstract This project used the resource availability hypothesis (Coley et al., 1985) as a framework for investigating the relationship between resource availability (as defined by soil nutrients), leaf traits, insect herbivore damage and insect community structure. According to the hypothesis, plants from low resource environments should be better-defended, have longer leaf lifespans and slower growth rates than plants from higher resource environments. Higher resource plant species are expected to suffer higher levels of herbivory and recover faster from herbivory than low resource plant species (Coley et al. 1985). A corollary to this hypothesis is that plants from higher resource sites should support greater densities of insect herbivores than low resource species. The study was performed in Sydney, Australia, providing a temperate, southern hemisphere complement to most previous studies on herbivory conducted in the tropics and the northern hemisphere. The project had five components. Comparisons between high and low resource sites were made in terms of: (i) leaf traits of mature and immature leaves; (ii) phenology of leaf maturation; (iii) herbivore damage in the field and laboratory; (iv) diversity and abundance of herbivorous insect fauna; and (v) ability to recover from herbivory.
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D.Nicolle, Classification of the Eucalypts (Angophora, Corymbia and Eucalyptus) | 2
Taxonomy Genus (common name, if any) Subgenus (common name, if any) Section (common name, if any) Series (common name, if any) Subseries (common name, if any) Species (common name, if any) Subspecies (common name, if any) ? = Dubious or poorly-understood taxon requiring further investigation [ ] = Hybrid or intergrade taxon (only recently-described and well-known hybrid names are listed) ms = Unpublished manuscript name Natural distribution (states listed in order from most to least common) WA Western Australia NT Northern Territory SA South Australia Qld Queensland NSW New South Wales Vic Victoria Tas Tasmania PNG Papua New Guinea (including New Britain) Indo Indonesia TL Timor-Leste Phil Philippines ? = Dubious or unverified records Research O Observed in the wild by D.Nicolle. C Herbarium specimens Collected in wild by D.Nicolle. G(#) Growing at Currency Creek Arboretum (number of different populations grown). G(#)m Reproductively mature at Currency Creek Arboretum. – (#) Has been grown at CCA, but the taxon is no longer alive. – (#)m At least one population has been grown to maturity at CCA, but the taxon is no longer alive. Synonyms (commonly-known and recently-named synonyms only) Taxon name ? = Indicates possible synonym/dubious taxon D.Nicolle, Classification of the eucalypts (Angophora, Corymbia and Eucalyptus) | 2 Angophora (apples) E. subg. Angophora ser. ‘Costatitae’ ms (smooth-barked apples) A. subser. Costatitae, E. ser. Costatitae Angophora costata subsp. euryphylla (Wollemi apple) NSW O C G(2)m A. euryphylla, E. euryphylla subsp. costata (smooth-barked apple, rusty gum) NSW,Qld O C G(2)m E. apocynifolia Angophora leiocarpa (smooth-barked apple) Qld,NSW O C G(1) A.
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The Ash Group of Eucalypts
No. 2 133 THE ASH GROUP OF EUCALYPTS M. D. WILCOX Forest Research Institute, New Zealand Forest Service, Rotorua (Received for publication 9 June 1979) SUMMARY The ash group comprises 42 taxa of the genus Eucalyptus. These eucalypts form Pryor and Johnson's informal series OBLIQUAE of the subgenus Monocalyptus. All described species and subspecies are listed and briefly discussed. The group includes several well-known large timber trees for which species and provenance trials have recently been established. Genetic improvement programmes based on comprehensive provenance testing and local selection have been initiated for E. regnans, E. fastigata and E. delegatensis. Provenance tests of a limited range of seedlots have been established for E. obliqua, E. oreades, E. fraxinoides and E. sieberi. INTRODUCTION The ash group eucalypts best known in New Zealand are Eucalyptus delegatensis, E. regnans, E. fastigata and E. obliqua. These are tall forest trees of south-eastern Australia where they are the most important eucalypts for sawn timber and pap er making (Hillis and Brown, 1978). The wood of these trees is pale coloured, somewhat like that of the English ash (Fraxinus excelsior L.), is easily worked, and is low in density compared with other eucalypts; for these reasons the group has been considered worth growing in New Zealand as a future source of general-purpose hardwood. As well as the four main species, the ash group includes several other recognised timber species of possible value in New Zealand, and a number of small trees and mallees (multi-stemmed shrubs). Several of the species are highly localised in their distribution and not well known.
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How to use this guide Species in this guide have been divided into two main categories for easier identification. These categories your guide to have then been divided further, as follows: Rough-barked trees native trees Crumbly full barks Have bark which easily breaks into small fragments in the Hornsby Shire or fibres Other full barks Trees marked with this stamp occur naturally in vegetation communities listed as ‘Endangered or Critically Endangered Include stringy barks EEC Ecological Communities’ under the NSW Threatened Tree Species Conservation Act 1995 or the Commonwealth Part Barks Environment Protection and Biodiversity Conservation Have some rough bark Act 1999. Smooth-barked trees Bark is smooth, usually shed annually. References Leonard, G. 1993. Eucalypts of the Sydney region: a bushwalker’s guide. UNSW Press, Sydney. Robinson, L. 1994. Field Guide to the Native Plants of Sydney. Kangaroo Press, NSW. Sainty, Abell & Jacobs, 1989. Burmum Burmum’s Wildthings. Sainty and Associates, Sydney. Further reading Fairley, A. and Moore, P. 1989. Native plants of the Sydney district: an identification guide. Kangaroo Press, NSW. Online Resource Hornsby Online Herbarium is located in the Hornsby Shire Library to assist with plant identification hornsby.nsw.gov.au/library Printed May 2013 This guide has been compiled to help you identify Natural Resources Hornsby Shire Council common trees in Hornsby Shire. For more information 296 Pacific Highway, Hornsby on these or other species which have not been PO Box 37, Hornsby NSW 1630 included, please consult native plant guidebooks. Telephone 9847 6853 Illustrations of leaves, buds, fruit and tree silhouettes 8.30am-5pm Monday to Friday have been taken from Robinson, L.
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Phytophthora Ramorum and Pathogen Sporulation Potential
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Alcheringa: An Australasian Journal of Palaeontology ISSN: 0311-5518 (Print) 1752-0754 (Online) Journal homepage: http://www.tandfonline.com/loi/talc20 Leaf preservation in Eucalyptus woodland as a model for sclerophyll fossil floras Gregory J. Retallack To cite this article: Gregory J. Retallack (2018): Leaf preservation in Eucalyptus woodland as a model for sclerophyll fossil floras, Alcheringa: An Australasian Journal of Palaeontology, DOI: 10.1080/03115518.2018.1457180 To link to this article: https://doi.org/10.1080/03115518.2018.1457180 Published online: 06 May 2018. Submit your article to this journal View related articles View Crossmark data Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/action/journalInformation?journalCode=talc20 Leaf preservation in Eucalyptus woodland as a model for sclerophyll fossil floras GREGORY J. RETALLACK RETALLACK, G.J., May 2018. Leaf preservation in Eucalyptus woodland as a model for sclerophyll fossil floras. Alcheringa xxx, xxx–xxx. A comparison of 29 identifiable vascular plant species in litter beneath Eucalyptus woodland with at least 74 species living nearby showed that the litter is a poor representation of standing vegetation. The leaf litter is dominated by sclerophyll leaves, which are a factor of 6.2 over-represented in litter for Angophora costata, factor of 5.7 for Melaleuca linariifolia, of 3.6 for Eucalyptus spp., of 3.5 for Pteridium esculentum and of 2.1 for Acacia linifolia. Angophora leaves are favored by lignification, with denser venation than Eucalyptus leaves. Sparse emergent oil glands of Ango- phora also provide fewer entry points for bacteria than rotted internal oil glands of Eucalyptus.
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