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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 -
Cylindrocladium Buxicola Nom. Cons. Prop.(Syn. Calonectria
I Promotors: Prof. dr. ir. Monica Höfte Laboratory of Phytopathology, Department of Crop Protection Faculty of Bioscience Engineering Ghent University Dr. ir. Kurt Heungens Institute for Agricultural and Fisheries Research (ILVO) Plant Sciences Unit - Crop Protection Dean: Prof. dr. ir. Guido Van Huylenbroeck Rector: Prof. dr. Anne De Paepe II Bjorn Gehesquière Cylindrocladium buxicola nom. cons. prop. (syn. Calonectria pseudonaviculata) on Buxus: molecular characterization, epidemiology, host resistance and fungicide control Thesis submitted in fulfillment of the requirements for the degree of Doctor (PhD) in Applied Biological Sciences III Dutch translation of the title: Cylindrocladium buxicola nom. cons. prop. (syn. Calonectria pseudonaviculata) in Buxus: moleculaire karakterisering, epidemiologie, waardplantresistentie en chemische bestrijding. Please refer to this work as follows: Gehesquière B. (2014). Cylindrocladium buxicola nom. cons. prop. (syn. Calonectria pseudonaviculata) on Buxus: molecular characterization, epidemiology, host resistance and fungicide control. Phd Thesis. Ghent University, Belgium The author and the promotors give authorisation to consult and to copy parts of this work for personal use only. Any other use is limited by Laws of Copyright. Permission to reproduce any material contained in this work should be obtained from the author. The promotors, The author, Prof. dr. ir. M. Höfte Dr. ir. K. Heungens ir. B. Gehesquière IV Een woordje van dank…. Dit dankwoord schrijven is ongetwijfeld het leukste onderdeel van deze thesis, en een mooie afsluiting van een interessante periode. Terugblikkend op de voorbije vier jaren kan ik enkel maar beamen dat een doctoraat zoveel meer is dan een wetenschappelijke uitdaging. Het is een levensreis in al zijn facetten, waarbij ik mezelf heb leren kennen in al mijn goede en slechte kantjes. -
Plant Identification Presentation
Today’s Agenda ◦ History of Plant Taxonomy ◦ Plant Classification ◦ Scientific Names ◦ Leaf and Flower Characteristics ◦ Dichotomous Keys Plant Identification Heather Stoven What do you gain Looking at plants more closely from identifying plants? Why is it ◦ How do plants relate to each other? How are they important? grouped? • Common disease and insect problems • Cultural requirements • Plant habit • Propagation methods • Use for food and medicine Plant Classification Plant Classification Group each plant into a specific category Group each plant into a specific category Maple Spiraea Viburnum Crabapple Maple Spiraea Apple tree Ash Viburnum Crabapple Daylily Geranium Apple tree Ash Tomato Poinsettia Daylily Geranium TREES Oak Pepper Tomato Poinsettia Weeping willow Mint Oak Pepper Petunia Euonymus Weeping willow Mint Petunia Euonymus OS-Plant ID.ppt, page 1 Plant Classification Plant Classification Group each plant into a specific category Group each plant into a specific category Maple Spiraea Maple Spiraea Viburnum Crabapple Viburnum Crabapple Apple tree Ash Ornamental Apple tree Ash Edible Daylily Geranium Flowering Daylily Geranium Tomato Poinsettia Plants Tomato Poinsettia Crops Oak Pepper Oak Pepper Weeping willow Mint Weeping willow Mint Petunia Euonymus Petunia Euonymus Carolus Linnaeus Plant Taxonomy The Father of Taxonomy ◦ Identifying, classifying and assigning ◦ Swedish botanist scientific names to plants ◦ Developed binomial ◦ Historical botanists trace the start of nomenclature taxonomy to one of Aristotle’s students, Theophrastus (372-287 B.C.), but he didn’t ◦ Cataloged plants based on create a scientific system natural relationships—primarily flower structures (male and ◦ He relied on the common groupings of female sexual organs) folklore combined with growth: tree, shrub, undershrub or herb ◦ Published Species Naturae in ◦ Detected the process of germination and 1735 and Species Plantarum in realized the importance of climate and soil 1753 to plants ◦ Then, along came Linnaeus…. -
Boxwood Varieties Resistant to Boxwood Blight
RESEARCH LABORATORY TECHNICAL REPORT Boxwoods Resistant to Boxwood Blight By The Bartlett Lab Staff Directed by Kelby Fite, PhD Research that evaluated resistance of boxwood species and varieties to boxwood blight indicates that resistance is largely related to geographic origin of the plant. Asian species generally exhibit greatest resistances while European species show the greatest susceptibility. Hybrids between Asian and European plants exhibit intermediate resistance. Form and size also appears to have some influence on blight susceptibility. Boxwood selections with compact forms that exhibit slow growth are generally more susceptible than cultivars that have an open and larger form. The following boxwood species and cultivars exhibited the highest level of resistance in research conducted by North Carolina State University. Unless noted, these selections are suitable in hardiness zones 6 through 8. Buxus microphylla var. japonica ‘Green Beauty’ Buxus sinica var.insularis ‘Nana’ Green Beauty Boxwood Dwarf Korean Boxwood A large maturing species, this Japanese boxwood This cultivar is a dwarf, slow growing selection with a selection attains a height of six–to-eight feet after 15 mounded form that is suitable as an edging boxwood. years in the landscape. The plant has a mounded, loose Attains a height of two feet with a potentially wider open form. Susceptible to boxwood leafminer. spread after 15 years. It is resistant to boxwood Remains green through winter. leafminer. Exhibits foliage yellowing in winter. Page 1 of 4 Buxus microphylla ‘Golden Dream’ Buxus ‘Green Gem’ Golden Dream Littleleaf Boxwood Green Gem Boxwood This cultivar has leaves with gold variegation. The A hybrid between B. -
Acquiring Knowledge About Vascular Plant Structure While Using a Vegetative Key
Chapter 7 Stealth Learning: Acquiring Knowledge About Vascular Plant Structure While Using a Vegetative Key Peter R. Minchin Department of Biological Sciences 202 Life Sciences Building Louisiana State University Baton Rouge, LA 70803 Email: [email protected] Peter received his B.Sc. (B.S.) with first class honors, majoring in botany, and his Ph.D. in plant ecology from the University of Tasmania, Australia. He was a postdoctoral research fellow in the Commonwealth Scientific and Industrial Research Organization, and then a Research Fellow in the Research School of Pacific Studies at the Australian National University, Canberra, where he pursued his research interests in ecology. His work on the development and application of multivariate statistical methods in community ecology has received international recognition and had a significant impact on the way ecologists use these techniques. In 1993, Peter took a position as Lecturer (Assistant Professor) in the Botany Department at the University of Melbourne, where he continued his research and also taught lecture and lab classes in general biology, ecology, field botany and environmental science. He moved to the U.S.A. in 1998 and joined the Introductory Biology Program at Louisiana State University, where he has taught lecture and lab courses in plant biology and general biology for both majors and nonmajors. Reprinted From: Minchin, P. R. 2003. Stealth learning: Acquiring knowledge about vascular plant structure while using a vegetative key. Pages 87-102, in Tested studies for laboratory teaching, Volume 24 (M. A. O’Donnell, Editor). Proceedings of the 24th Workshop/Conference of the Association for Biology Laboratory Education (ABLE), 334 pages. -
Buxus Microphylla 'Roy Lancaster' and the Plant-Avail Occurred About 1653 at Sylvester Able Commercially Under the Name Buxus Harlandii
u ~ ULLETIN The journal of the American Boxwood Society devoted to our oldest garden ornamental Vol. 55 No.2 Winter 2016 The American Boxwood Socilt"t] The American Boxwood Society is a not-for-profit organization founded in 1961 and devoted to the appreciation, scientific understanding and propagation of Buxus. Visit our website at: www.boxwoodsociety.org OFFICERS MEMBERSHIP President: Annual membership from May. Dues paid after Jan. 1 to Mr. Hugh Crump Camerron, C April 30 are applied to the upcoming May membership. Dues First Vice-President: paid after May 1 receive partial year with no credit. Members M r. Ben nett Saunders Piney River, VA outside the U.S. add US $15 to any membership category. Second Vice-President: IndividuaL ..... ... ... $50 Sustaining . ... ... .. $150 M r. Charl es Fooks Sa li sbury, M 0 Family . .. ..... .. .... $75 Life. .. $1,500 Secretary: Ms. Laurie McMinn Madison Heights, VA Contributing .. .. .. $100 International Registrar: Mr. Lynn Batdorf Bethesda, M 0 CONTRIBUTIONS Monetary gifts to the Societ y a re tax d eductible a nd m ay be DIRECTORS appli ed to: Mrs. Joan Butler (Life) Wi nchester, VA General Operations Publications Fund Mr. Walter Carell , Jr. (2016) C hestertown, MD Memorial Garden Fund Research Programs Dr. Bernard C ross (2 015) Waterford, VA HOW TO CONTACT US Mrs. Helen H echt (2 015) Westminister, MD For ordering publications, membership information, Dr. Edward M. Kelly (2017) Taneytown, MD address cha nge, contributions, questions, or submitting Mr. John Lockwood Makar (2016) Atlanta, GA an a rticle, please email or w rite: Ms. Laurie McMinn (2016) M adison H eights, VA Mr. -
Wildland Urban Interface Approved Plant List
WILDLAND URBAN INTERFACE APPROVED PLANT LIST This approved plant list has been developed to serve as a tool to determine the placement of vegetation within the Wildland Urban Interface areas. The approved plant list has been compiled from several similar lists which pertain to the San Francisco Bay Area and to the State of California. This approved plant list is not intended to be used outside of the San Mateo County area. The “required distance” for each plant is how far the given plant is required to be from a structure. If a plant within the approved plant list is not provided with a “required distance”, the plant has been designated as a fire-resistant plant and may be placed anywhere within the defensible space area. The designation as a fire-resistant plant does not exempt the plant from other Municipal Codes. For example, as per Hillsborough Municipal Code, all trees crowns, including those that have been designated as fire resistant, are required to be 10 feet in distance from any structure. Fire resistant plants have specific qualities that help slow down the spread of fire, they include but are not limited to: • Leaves tend to be supple, moist and easily crushed • Trees tend to be clean, not bushy, and have little deadwood • Shrubs are low-growing (2’) with minimal dead material • Taller shrubs are clean, not bushy or twiggy • Sap is water-like and typically does not have a strong odor • Most fire-resistant trees are broad leafed deciduous (lose their leaves), but some thick-leaf evergreens are also fire resistant. -
The Boxwo Odbulletin
The Boxwo OdBulletin A Quarterly Devoted to Man's Oldest Garden Ornamental -- ... - - . .". ~ - ...- '" ~ - , -' . - .. ., Brick-walled entrance to the new Ruth Palmer Blanke Boxwood Garden at the Missouri Botanical Garden. See article on page 23. (Photo: Lynn R. Batdorf) IN THIS ISSUE The Ruth Palmer Blanke Boxwood Garden, Lynn Batdorf and Dan Moses ... 23 Buxus harlandii, Henry F. Frierson, M.D ....... ........ .. .. ............ .... .. .. ............ ...... 28 Garden Maze at the Missouri Botanical Garden, Lynn R. Batdorf .. .. ............. 31 Bertie, the Boxwood, Ian Robertson ..................... .......................................... 33 News of the Society .. .. ........... .. .. ....................................... ....................... ........ 37 October 1998 Volume 38, Number 2 The American Boxwood Society The American Boxwood Society is a not-for-profitorganiza Available Publications: tion founded in 1961 and devoted to the appreciation, scien tific understanding and propagation of the genus Buxus L. Back issues of The Boxwood Bulletin (thru Vol. 37) (eac;h) $ 4 Boxwood Handbook: A Practical Guide (Revised)** $ 17 Officers: Boxwood Buyer's Guide (4th Edition) $ 6 International Registration List of Cultivated Buxus L. $ 3 PRESIDENT: Index to The Boxwood Bulletin 1961-1986 $ 10 Mr. Thomas Saunders Piney River, Va. Index to The Boxwood Bulletin 1986-1991 $ 4 VICE-PRESIDENTS: Index to The Boxwood Bulletin 1991-1996 $ 3 Mr. Charles Fooks Salisbury, Md. Publications may be ordered from Mrs. K. D. Ward, ABS Mr. Daniel Moses St. Louis, Mo. Treasurer, 134 Methodist Church Lane, West Augusta, V A SECRETARY: 24485-2053. **Price includes tax, postage and handling. Mrs. Sigrid Harriman Fredericksburg, Va. EXECUTIVE TREASURER: Contributions: Mrs. Katherine D. Ward West Augusta, Va. Gifts to the Society are tax-deductible and may be undesig REGISTRAR: nated or applied to: Mr. -
County of Riverside Friendly Plant List
ATTACHMENT A COUNTY OF RIVERSIDE CALIFORNIA FRIENDLY PLANT LIST PLANT LIST KEY WUCOLS III (Water Use Classification of Landscape Species) WUCOLS Region Sunset Zones 1 2,3,14,15,16,17 2 8,9 3 22,23,24 4 18,19,20,21 511 613 WUCOLS III Water Usage/ Average Plant Factor Key H-High (0.8) M-Medium (0.5) L-Low (.2) VL-Very Low (0.1) * Water use for this plant material was not listed in WUCOLS III, but assumed in comparison to plants of similar species ** Zones for this plant material were not listed in Sunset, but assumed in comparison to plants of similar species *** Zones based on USDA zones ‡ The California Friendly Plant List is provided to serve as a general guide for plant material. Riverside County has multiple Sunset Zones as well as microclimates within those zones which can affect plant viability and mature size. As such, plants and use categories listed herein are not exhaustive, nor do they constitute automatic approval; all proposed plant material is subject to review by the County. In some cases where a broad genus or species is called out within the list, there may be multiple species or cultivars that may (or may not) be appropriate. The specific water needs and sizes of cultivars should be verified by the designer. Site specific conditions should be taken into consideration in determining appropriate plant material. This includes, but is not limited to, verifying soil conditions affecting erosion, site specific and Fire Department requirements or restrictions affecting plans for fuel modifications zones, and site specific conditions near MSHCP areas. -
Buxus Microphylla1
Fact Sheet FPS-79 October, 1999 Buxus microphylla1 Edward F. Gilman2 Introduction Littleleaf Boxwood is a fine-textured evergreen that tolerates shearing exceptionally well and is commonly used as a border or hedge (Fig. 1). The plant reaches a height and spread of three to four feet. It is best grown where the root zone can be mulched and left undisturbed. This evergreen requires a well-drained soil and prefers shading in winter if grown on exposed sites. General Information Scientific name: Buxus microphylla Pronunciation: BUCK-sus my-kro-FIL-uh Common name(s): Littleleaf Boxwood, Littleleaf Box Family: Buxaceae Plant type: shrub USDA hardiness zones: 6 through 10A (Fig. 2) Planting month for zone 7: year round Planting month for zone 8: year round Planting month for zone 9: year round Planting month for zone 10 and 11: year round Figure 1. Littleleaf Boxwood. Origin: not native to North America Uses: border; edging; foundation; superior hedge Plant density: dense Availablity: generally available in many areas within its Growth rate: slow hardiness range Texture: fine Description Foliage Height: 3 to 6 feet Spread: 3 to 6 feet Leaf arrangement: opposite/subopposite Plant habit: round Leaf type: simple 1.This document is Fact Sheet FPS-79, one of a series of the Environmental Horticulture Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Publication date: October, 1999 Please visit the EDIS Web site at http://edis.ifas.ufl.edu. 2.Edward F. Gilman, professor, Environmental Horticulture Department, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, 32611. -
Green Area Ratio Plant List Trees Scientific Name Common Name Canopy Canopy >40' Sun / Shade Native Bioretention Notes ≤40' Suitability
Green Area Ratio Plant List Trees Scientific name Common name Canopy Canopy >40' Sun / Shade Native Bioretention Notes ≤40' Suitability Abies concolor White Fir x Sun / partial Acer buergerianum Trident Maple x Full sun Acer campestre Hedge Maple x Sun / partial Acer griseum Paperbark maple x Full sun Acer rubrum Red Maple x Sun / partial x Acer saccharum Sugar Maple x Sun / partial Acer truncatum Shantung Maple x Sun / partial Acer x freemani Freeman Maple x Sun / partial Aesculus flava Yellow Buckeye x Full sun x Aesculus hippocastanum Horsechestnut x Sun / partial Aesculus x carnea Red Horsechestnut x Sun / partial Amelanchier arborea Downy Serviceberry x Shade / partial x Amelanchier canadensis Shadblow Serviceberry x Sun / partial x x Amelanchier laevis Allegheny Serviceberry x Sun / partial Amelanchier x grandiflora Apple Serviceberry x Sun / partial x Asimina triloba Pawpaw x Sun / partial x x Pollinator Betula nigra River Birch x Sun / partial x x Carpinus betulus European Hornbeam x Sun / partial Carpinus caroliniana American Hornbeam x Sun / partial x Carya glabra Pignut Hickory x Sun / partial x Carya illinoinensis Pecan x Sun / partial Carya mollissima Chinese Chestnut x Sun / partial Carya ovata Shagbark Hickory x Sun / shade x Catalpa spp. Catalpa x Sun /partial Cedrus atlantica Atlas Cedar x Full sun Cedrus deodara Deodar Cedar x Full sun Celtis laevigata Sugarberry x Sun / partial Celtis occidentalis Hackberry x Sun / partial x x Cercidiphyllum japonicum Katsuratree x Sun / partial Cercis canadensis Eastern Redbud x Sun -
A Case Study of Tree and Shrub Species Richness and Composition in Xalapa Madera Y Bosques, Vol
Madera y Bosques ISSN: 1405-0471 [email protected] Instituto de Ecología, A.C. México Falfán, Ina; MacGregor-Fors, Ian Woody neotropical streetscapes: a case study of tree and shrub species richness and composition in Xalapa Madera y Bosques, vol. 22, núm. 1, 2016, pp. 95-110 Instituto de Ecología, A.C. Xalapa, México Available in: http://www.redalyc.org/articulo.oa?id=61745707006 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative Madera y Bosques vol. 22, núm. 1: 95-110 Primavera 2016 Woody neotropical streetscapes: a case study of tree and shrub species richness and composition in Xalapa Paisajes urbanos leñosos en el Neotrópico: Riqueza y composición de especies de árboles y arbustos en Xalapa Ina Falfán1 and Ian MacGregor-Fors1* 1 Red de Ambiente y Sustentabilidad. Instituto de * Corresponding author. [email protected] Ecología, A.C., Veracruz, México. ABSTRACT The urbanization process goes far beyond the replacement of preexisting non-urban systems, transforming the land in such way that represents worrisome ecological threats. In the novel urban systems, original vegetation is removed and/or replaced with a combination of native and exotic species. In this study, our aim was to generate an updated species list of the trees and shrubs that thrive in the street- scape of Xalapa (Veracruz, Mexico), describing their native/exotic ratio. For this, we followed a city-wide approach comprised by a grid of 106 sampling sites.