Native Hardwood Trees of the Central Hardwood Region Paula M
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Department of Planning and Zoning
Department of Planning and Zoning Subject: Howard County Landscape Manual Updates: Recommended Street Tree List (Appendix B) and Recommended Plant List (Appendix C) - Effective July 1, 2010 To: DLD Review Staff Homebuilders Committee From: Kent Sheubrooks, Acting Chief Division of Land Development Date: July 1, 2010 Purpose: The purpose of this policy memorandum is to update the Recommended Plant Lists presently contained in the Landscape Manual. The plant lists were created for the first edition of the Manual in 1993 before information was available about invasive qualities of certain recommended plants contained in those lists (Norway Maple, Bradford Pear, etc.). Additionally, diseases and pests have made some other plants undesirable (Ash, Austrian Pine, etc.). The Howard County General Plan 2000 and subsequent environmental and community planning publications such as the Route 1 and Route 40 Manuals and the Green Neighborhood Design Guidelines have promoted the desirability of using native plants in landscape plantings. Therefore, this policy seeks to update the Recommended Plant Lists by identifying invasive plant species and disease or pest ridden plants for their removal and prohibition from further planting in Howard County and to add other available native plants which have desirable characteristics for street tree or general landscape use for inclusion on the Recommended Plant Lists. Please note that a comprehensive review of the street tree and landscape tree lists were conducted for the purpose of this update, however, only -
Genetic and Phenotypic Characterization of Figured Wood in Poplar
Genetic and Phenotypic Characterization of Figured Wood in Poplar Youran Fan1,2, Keith Woeste1,2, Daniel Cassens1, Charles Michler1,2, Daniel Szymanski3, and Richard Meilan1,2 1Department of Forestry and Natural Resources, 2Hardwood Tree Improvement and Regeneration Center, and 3Department of Agronomy; Purdue University, West Lafayette, Indiana 47907 Abstract Materials and Methods When “Curly Aspen” (Populus canescens) was first Preliminary Results characterized in the early 1940’s[1], it attracted the attention from the wood-products industry because Genetically engineer commercially 1) Histological sections reveal that “Curly Aspen” has strong “Curly Aspen” produces an attractive veneer as a important trees to form figure. ray flecks (Fig. 10) but this is not likely to be responsible result of its figured wood. Birdseye, fiddleback and for the figure seen. quilt are other examples of figured wood that are 2) Of the 15 SSR primer pairs[6, 7, 8] tested, three have been commercially important[2]. These unusual grain shown to be polymorphic. Others are now being tested. patterns result from changes in cell orientation in Figure 6. Pollen collection. Branches of Figure 7. Pollination. Branches Ultimately, our genetic fingerprinting technique will allow “Curly Aspen” were “forced” to shed collected from a female P. alba us to distinguish “Curly Aspen” from other genotypes. the xylem. Although 50 years have passed since Figure 1. Birdseye in maple. pollen under controlled conditions. growing at Iowa State University’s finding “Curly Aspen”, there is still some question Rotary cut, three-piece book McNay Farm (south of Lucas, IA). 3) 17 jars of female P. alba branches have been pollinated match (origin: North America). -
TREE INVENTORY January 2017 DBH Ht Cm M 1 1 Acer Negundo
TREE INVENTORY January 2017 Tree Nr. of DBH Ht Crown Botanical Name Common name Maturity Health conditions Location # trees cm m Ø (m) leaning, forked @ base 1 1 Acer negundo Manitoba Maple 60 14 19 Mature fair poor as shown into 2 main trunks 5 Fraxinus americana White Ash 7 4 2 Immature fair vines, secondary growth as shown 2 1 Acer negundo Manitoba Maple <5 3 2.5 Immature fair vines, secondary growth as shown 3 1 Tilia americana Basswood <5 3 2 Immature fair vines, secondary growth as shown 4 1 Cornus sericea Red Dogwood <5 2 1 Immature fair on PL 5 1 Acer negundo Manitoba Maple <5 3 2.5 Immature fair vines, secondary growth on PL 6 1 Fraxinus americana White Ash 12 10 3 Immature fair poor vines as shown bark injuries, under pine 7 2 Tilia americana Basswood 11,13 9 4.5 Immature poor fair as shown canopy 8 1 Ulmus americana American Elm 5 3 3 Immature fair as shown 9 1 Fraxinus americana White Ash 30 14 9 Mature fair vines, suckers as shown 10 1 Acer negundo Manitoba Maple 8 5 6.5 Immature fair poor as shown 11 1 Acer negundo Manitoba Maple 20 10 15 Mature poor hazardous, leaning as shown 1- dead, 12 4 Fraxinus americana White Ash 10 9 5 Immature as shown 3-fair 13 1 Acer negundo Manitoba Maple 17 12 13 Immature poor hazardous, leaning as shown 14 1 Fraxinus americana White Ash 30 14 11 Mature fair as shown 15 1 Malus spp Crabapple 7 3 3 Immature poor as shown Page 1 of 5 Tree Nr. -
Erigenia : Journal of the Southern Illinois Native Plant Society
ERIGENIA THE LIBRARY OF THE DEC IS ba* Number 13 UNIVERSITY OF ILLINOIS June 1994 ^:^;-:A-i.,-CS..;.iF/uGN SURVEY Conference Proceedings 26-27 September 1992 Journal of the Eastern Illinois University Illinois Native Plant Society Charleston Erigenia Number 13, June 1994 Editor: Elizabeth L. Shimp, U.S.D.A. Forest Service, Shawnee National Forest, 901 S. Commercial St., Harrisburg, IL 62946 Copy Editor: Floyd A. Swink, The Morton Arboretum, Lisle, IL 60532 Publications Committee: John E. Ebinger, Botany Department, Eastern Illinois University, Charleston, IL 61920 Ken Konsis, Forest Glen Preserve, R.R. 1 Box 495 A, Westville, IL 61883 Kenneth R. Robertson, Illinois Natural History Survey, 607 E. Peabody Dr., Champaign, IL 61820 Lawrence R. Stritch, U.S.D.A. Forest Service, Shawnee National Forest, 901 S. Commercial Su, Harrisburg, IL 62946 Cover Design: Christopher J. Whelan, The Morton Arboretum, Lisle, IL 60532 Cover Illustration: Jean Eglinton, 2202 Hazel Dell Rd., Springfield, IL 62703 Erigenia Artist: Nancy Hart-Stieber, The Morton Arboretum, Lisle, IL 60532 Executive Committee of the Society - April 1992 to May 1993 President: Kenneth R. Robertson, Illinois Natural History Survey, 607 E. Peabody Dr., Champaign, IL 61820 President-Elect: J. William Hammel, Illinois Environmental Protection Agency, Springfield, IL 62701 Past President: Jon J. Duerr, Kane County Forest Preserve District, 719 Batavia Ave., Geneva, IL 60134 Treasurer: Mary Susan Moulder, 918 W. Woodlawn, Danville, IL 61832 Recording Secretary: Russell R. Kirt, College of DuPage, Glen EUyn, IL 60137 Corresponding Secretary: John E. Schwegman, Illinois Department of Conservation, Springfield, IL 62701 Membership: Lorna J. Konsis, Forest Glen Preserve, R.R. -
Native Trees of Georgia
1 NATIVE TREES OF GEORGIA By G. Norman Bishop Professor of Forestry George Foster Peabody School of Forestry University of Georgia Currently Named Daniel B. Warnell School of Forest Resources University of Georgia GEORGIA FORESTRY COMMISSION Eleventh Printing - 2001 Revised Edition 2 FOREWARD This manual has been prepared in an effort to give to those interested in the trees of Georgia a means by which they may gain a more intimate knowledge of the tree species. Of about 250 species native to the state, only 92 are described here. These were chosen for their commercial importance, distribution over the state or because of some unusual characteristic. Since the manual is intended primarily for the use of the layman, technical terms have been omitted wherever possible; however, the scientific names of the trees and the families to which they belong, have been included. It might be explained that the species are grouped by families, the name of each occurring at the top of the page over the name of the first member of that family. Also, there is included in the text, a subdivision entitled KEY CHARACTERISTICS, the purpose of which is to give the reader, all in one group, the most outstanding features whereby he may more easily recognize the tree. ACKNOWLEDGEMENTS The author wishes to express his appreciation to the Houghton Mifflin Company, publishers of Sargent’s Manual of the Trees of North America, for permission to use the cuts of all trees appearing in this manual; to B. R. Stogsdill for assistance in arranging the material; to W. -
Designing and Establishing a Fine Hardwood Timber Plantations
DESIGNING AND ESTABLISHING A FINE HARDWOOD TIMBER PLANTATION James R. McKenna and Lenny D. Farlee1 Abstract.—Today, new tools and lessons learned from established plantations of black walnut and other fine hardwoods can provide landowners with guidelines to design and establish successful plantations to produce quality timber for the future. From earlier plantations now maturing, we can recognize design features critical during establishment. Current production practices combined with improved tools, ongoing genetic improvement, and lessons learned from various spacing and species mixes make it possible to establish higher quality timber plantations today than previously possible. We summarize new tools for assessing the suitability of soils to grow good walnut and present plantation design strategies to enhance the quality of walnut mixed with other hardwoods to minimize risk if walnut does not grow well. We also include design details that can enhance the aesthetic quality of the land and expand wildlife habitat. As world population increases and available forest new growers will find the background information, lands diminish, timber plantations hold the promise planning considerations, and descriptions of to produce a greater quantity of wood per acre than techniques needed to establish a successful plantation. natural forests (Sedjo 1999, Sedjo and Botkin 1997). Walnut timber plantations on the scale of hundreds to MANAGEMENT OBJECTIVES thousands of acres have been established in the last State your objectives clearly and concisely and see decade in the United States and Europe. Plantation how they fit into your over all land management plan. forestry has become a common practice for many pulp Make a detailed sketch that includes the location of and softwood timber species throughout the world, the plantation and current features as well as those and plantations can be more profitable than natural you might add in the future. -
Potenziale Und Risiken Eingeführter Baumarten
ine nachhaltige, multifunktionale Forstwirtschaft hat den Anspruch, Wälder so zu pfl egen und zu nutzen, dass deren Produktivität, Verjüngungsfähigkeit, EVitalität und biologische Vielfalt erhalten bleiben. In der Vergangenheit hat sich Band 7 Band 7 Göttinger Forstwissenschaften gezeigt, dass weder im Kielwasser der Rohholzerzeugung noch in jenem des Naturschutzes alle Waldfunktionen angemessen erfüllt werden. Die Integration eingeführter Baumarten in einen Waldbau auf ökologischen Grundlagen erfor- dert daher Kompromisse, die sich auf der Basis wissenschaftlicher Erkenntnisse Torsten Vor, Hermann Spellmann, in der Regel auch fi nden lassen. Konkret bedeutet dies, dass der Anbau nicht Andreas Bolte, Christian Ammer (Hrsg.) invasiver eingeführter Baumarten in gewissem Umfang vom Naturschutz ebenso akzeptiert wird, wie seitens der Forstwirtschaft naturschutzfachliche Interessen Potenziale und Risiken berücksichtigt werden, indem bei ihrem Anbau auf eine räumliche Ordnung ge- achtet wird und bestehende Vorkommen invasiver Baumarten zurückgedrängt eingeführter Baumarten werden. Ziel dieser Ausarbeitung ist es vor diesem Hintergrund, die Potenziale und Risiken von 15 eingeführten Baumarten auf der Grundlage wissenschaft- Baumartenportraits mit licher Literatur und langjähriger Forschungsarbeiten auf Versuchsfl ächen der verschiedenen Forschungseinrichtungen und Anbaufl ächen der Forstbetriebe naturschutzfachlicher Bewertung aufzuzeigen, um die zwischen Naturschutz und Forstwirtschaft aufgekommene Diskussion zu versachlichen. Vor, Spellmann, Bolte, -
Comparison of Oak and Sugar Maple Distribution and Regeneration in Central Illinois Upland Oak Forests
COmparisON OF OaK AND Sugar MAPLE DistriBUTION AND REGENEratiON IN CEntral ILLINOIS UPLAND OaK FOREsts Peter J. Frey and Scott J. Meiners1 Abstract.—Changes in disturbance frequencies, habitat fragmentation, and other biotic pressures are allowing sugar maple (Acer saccharum) to displace oak (Quercus spp.) in the upland forest understory. The displacement of oaks by sugar maples represents a major management concern throughout the region. We collected seedling microhabitat data from five upland oak forest sites in central Illinois, each differing in age class or silvicultural treatment to determine whether oaks and maples differed in their microhabitat responses to environmental changes. Maples were overall more prevalent in mesic slope and aspect positions. Oaks were associated with lower stand basal area. Both oaks and maples showed significant habitat partitioning, and environmental relationships were consistent across sites. Results suggest that management intensity for oak in upland forests could be based on landscape position. Maple expansion may be reduced by concentrating mechanical treatments in expected areas of maple colonization, while using prescribed fire throughout stands to promote oak regeneration. INTRODUCTION Historically, white oak (Quercus alba) dominated much of the midwestern and eastern U.S. hardwood forests (Abrams and Nowacki 1992, Franklin et al. 1993). Oak is classified as an early successional forest species, and many researchers agree that oak populations were maintained by Native American or lightning-initiated fires (Abrams 2003, Abrams and Nowacki 1992, Hutchinson et al. 2008, Moser et al. 2006, Nowacki and Abrams 2008, Ruffner and Groninger 2006, Shumway et al. 2001). These periodic low to moderate surface fires favored the ecophysiological attributes of oak over those of fire-sensitive, shade-tolerant tree species, thereby continually resetting succession and allowing oaks and other shade-intolerant species to persist in both the canopy and understory (Abrams 2003, Abrams and Nowacki 1992, Crow 1988, Franklin et al. -
Checklist of Illinois Native Trees
Technical Forestry Bulletin · NRES-102 Checklist of Illinois Native Trees Jay C. Hayek, Extension Forestry Specialist Department of Natural Resources & Environmental Sciences Updated May 2019 This Technical Forestry Bulletin serves as a checklist of Tree species prevalence (Table 2), or commonness, and Illinois native trees, both angiosperms (hardwoods) and gym- county distribution generally follows Iverson et al. (1989) and nosperms (conifers). Nearly every species listed in the fol- Mohlenbrock (2002). Additional sources of data with respect lowing tables† attains tree-sized stature, which is generally to species prevalence and county distribution include Mohlen- defined as having a(i) single stem with a trunk diameter brock and Ladd (1978), INHS (2011), and USDA’s The Plant Da- greater than or equal to 3 inches, measured at 4.5 feet above tabase (2012). ground level, (ii) well-defined crown of foliage, and(iii) total vertical height greater than or equal to 13 feet (Little 1979). Table 2. Species prevalence (Source: Iverson et al. 1989). Based on currently accepted nomenclature and excluding most minor varieties and all nothospecies, or hybrids, there Common — widely distributed with high abundance. are approximately 184± known native trees and tree-sized Occasional — common in localized patches. shrubs found in Illinois (Table 1). Uncommon — localized distribution or sparse. Rare — rarely found and sparse. Nomenclature used throughout this bulletin follows the Integrated Taxonomic Information System —the ITIS data- Basic highlights of this tree checklist include the listing of 29 base utilizes real-time access to the most current and accept- native hawthorns (Crataegus), 21 native oaks (Quercus), 11 ed taxonomy based on scientific consensus. -
Acer Negundo (Ash-Leaved Maple, Boxelder) Size/Shape
Acer negundo (Ash-Leaved Maple, Boxelder) Acer negundo is a fast growing and short-lived deciduous tree. It can grow up to 10–25 meters. It has pendant racemes of greenish-red flowers. Boxelder forms a 15-20 m rounded canopy of very light green foliage. The tree is an undesirable tree for many urban situations as it is brittle, has weak wood, short life and susceptibility to many diseases. But the tree will grow just about anywhere and therefore it may have uses due to its adaptability. It is tolerant of drought. Landscape Information French Name: érable negundo, érable du Manitoba ﻗﻴﻘﺐ ﻣﺎﻧﻴﺘﻮﺑﺎ :Arabic Name Pronounciation: AY-ser ne-GUN-dow Plant Type: Tree Origin: North America Heat Zones: 3, 4, 5, 6, 7, 8 Hardiness Zones: 5, 6, 7, 8, 9 Uses: Screen, Bonsai, Windbreak, Pollution Tolerant / Urban, Reclamation Size/Shape Plant Image Growth Rate: Fast Tree Shape: Round Canopy Symmetry: Symmetrical Canopy Density: Medium Canopy Texture: Medium Height at Maturity: 8 to 15 m Spread at Maturity: 5 to 8 meters Time to Ultimate Height: 5 to 10 Years Notes Landscape Design Advice: Acer negundo is rarely grown as a landscape tree due to its weedy, weak-wooded nature. Acer negundo (Ash-Leaved Maple, Boxelder) Botanical Description Foliage Leaf Arrangement: Opposite Leaf Venation: Reticualte Leaf Persistance: Deciduous Leaf Type: Odd Pinnately compund Leaf Blade: 5 - 10 cm Leaf Shape: Lanceolate Leaf Margins: Serrate Leaf Textures: Medium Leaf Scent: No Fragance Color(growing season): Green Color(changing season): Green, Yellow, Orange, Brown -
Cytogenetics of Fraxinus Mandshurica and F. Quadrangulata: Ploidy Determination and Rdna Analysis
Tree Genetics & Genomes (2020) 16:26 https://doi.org/10.1007/s11295-020-1418-6 ORIGINAL ARTICLE Cytogenetics of Fraxinus mandshurica and F. quadrangulata: ploidy determination and rDNA analysis Nurul Islam-Faridi1,2 & Mary E. Mason3 & Jennifer L. Koch4 & C. Dana Nelson5,6 Received: 22 July 2019 /Revised: 1 January 2020 /Accepted: 16 January 2020 # The Author(s) 2020 Abstract Ashes (Fraxinus spp.) are important hardwood tree species in rural, suburban, and urban forests of the eastern USA. Unfortunately, emerald ash borer (EAB, Agrilus planipennis) an invasive insect pest that was accidentally imported from Asia in the late 1980s–early 1990s is destroying them at an alarming rate. All North American ashes are highly susceptible to EAB, although blue ash (F. quadrangulata) may have some inherent attributes that provide it some protection. In contrast Manchurian ash (F. mandshurica) is relatively resistant to EAB having coevolved with the insect pest in its native range in Asia. Given its level of resistance, Manchurian ash has been considered for use in interspecies breeding programs designed to transfer resistance to susceptible North American ash species. One prerequisite for successful interspecies breeding is consistency in chromosome ploidy level and number between the candidate species. In the current study, we cytologically determined that both Manchurian ash and blue ash are diploids (2n) and have the same number of chromosomes (2n =2x = 46). We also characterized these species’ ribosomal gene families (45S and 5S rDNA) using fluorescence in situ hybridization (FISH). Both Manchurian and blue ash showed two 45S rDNA and one 5S rDNA sites, but blue ash appears to have an additional site of 45S rDNA. -
Hardwood Lumber and Veneer Series: Black Waknut
PURDUE EXTENSION Hardwood Lumber and Veneer Series Black Walnut FNR-278-W Daniel L. Cassens, Professor and Extension Wood Products Specialist Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907 American Black Walnut (Juglans nigra L.) is probably the most famous and unique species of all our hardwoods. Large trees, defect free and exceptionally well-formed, were once common. Because of its rich, brown, lustrous heartwood with a grain pattern and intermediate pore size falling somewhere between the grainy hardwoods, such as oak and the uniform textured woods such as maple and yellow-poplar, the wood became prized for furniture, paneling, military and sporting gun stocks, novelties, and many other items. The wood was abundant and had a natural resistance to decay and insects. Therefore, it was also commonly used for construction purposes, such as barn timbers. Even as late as the 1960s the author witnessed the sale and use of walnut 1 x 12s for hayrack boards because it would not rot. By the 1970s, the wood became relatively expensive, forcing the furniture and cabinet industry to promote other species. By the mid-1990s, the trend toward light colored hardwoods also lessened walnut’s popularity. Today, it is preferred in office furniture, architectural millwork, flooring, high-end gun stocks, specialty, and custom items. Some suppliers Chip Morrison feel that it is becoming somewhat more popular Walnut trees again. However, walnut lumber constitutes less than two percent of all hardwood lumber produced. This species prefers deep, rich, moist soils of Black walnut ranges from the east coast to the alluvial origin.