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New Insight Into the Phylogeographic Pattern Of
New insight into the phylogeographic pattern of Liriodendron chinense (Magnoliaceae) revealed by chloroplast DNA: east–west lineage split and genetic mixture within western subtropical China Aihong Yang, Yongda Zhong, Shujuan Liu, Lipan Liu, Tengyun Liu, Yanqiang Li and Faxin Yu The Key Laboratory of Horticultural Plant Genetic and Improvement of Jiangxi, Institute of Biological Resources, Jiangxi Academy of Sciences, Nanchang, Jiangxi, China ABSTRACT Background: Subtropical China is a global center of biodiversity and one of the most important refugia worldwide. Mountains play an important role in conserving the genetic resources of species. Liriodendron chinense is a Tertiary relict tree largely endemic to subtropical China. In this study, we aimed to achieve a better understanding of the phylogeographical pattern of L. chinense andtoexploretheroleofmountainsintheconservationofL. chinense genetic resources. Methods: Three chloroplast regions (psbJ-petA, rpl32-ndhF, and trnK5’-matK) were sequenced in 40 populations of L. chinense for phylogeographical analyses. Relationships among chloroplast DNA (cpDNA) haplotypes were determined using median-joining networks, and genetic structure was examined by spatial analysis of molecular variance (SAMOVA). The ancestral area of the species was reconstructed using the Bayesian binary Markov Chain Monte Carlo (BBM) method according to its geographic distribution and a maximum parsimony (MP) tree based on Bayesian methods. Results: Obvious phylogeographic structure was found in L. chinense. SAMOVA Submitted 13 September 2018 revealed seven groups matching the major landscape features of the L. chinense Accepted 26 December 2018 Published 1 February 2019 distribution area. The haplotype network showed three clades distributed in the eastern, southwestern, and northwestern regions. Separate northern and southern Corresponding author Faxin Yu, [email protected] refugia were found in the Wu Mountains and Yungui Plateau, with genetic admixture in the Dalou Mountains and Wuling Mountains. -
THE Magnoliaceae Liriodendron L. Magnolia L
THE Magnoliaceae Liriodendron L. Magnolia L. VEGETATIVE KEY TO SPECIES IN CULTIVATION Jan De Langhe (1 October 2014 - 28 May 2015) Vegetative identification key. Introduction: This key is based on vegetative characteristics, and therefore also of use when flowers and fruits are absent. - Use a 10× hand lens to evaluate stipular scars, buds and pubescence in general. - Look at the entire plant. Young specimens, shade, and strong shoots give an atypical view. - Beware of hybridisation, especially with plants raised from seed other than wild origin. Taxa treated in this key: see page 10. Questionable/frequently misapplied names: see page 10. Names referred to synonymy: see page 11. References: - JDL herbarium - living specimens, in various arboreta, botanic gardens and collections - literature: De Meyere, D. - (2001) - Enkele notities omtrent Liriodendron tulipifera, L. chinense en hun hybriden in BDB, p.23-40. Hunt, D. - (1998) - Magnolias and their allies, 304p. Bean, W.J. - (1981) - Magnolia in Trees and Shrubs hardy in the British Isles VOL.2, p.641-675. - or online edition Clarke, D.L. - (1988) - Magnolia in Trees and Shrubs hardy in the British Isles supplement, p.318-332. Grimshaw, J. & Bayton, R. - (2009) - Magnolia in New Trees, p.473-506. RHS - (2014) - Magnolia in The Hillier Manual of Trees & Shrubs, p.206-215. Liu, Y.-H., Zeng, Q.-W., Zhou, R.-Z. & Xing, F.-W. - (2004) - Magnolias of China, 391p. Krüssmann, G. - (1977) - Magnolia in Handbuch der Laubgehölze, VOL.3, p.275-288. Meyer, F.G. - (1977) - Magnoliaceae in Flora of North America, VOL.3: online edition Rehder, A. - (1940) - Magnoliaceae in Manual of cultivated trees and shrubs hardy in North America, p.246-253. -
Phylogenomic Approach
Toward the ultimate phylogeny of Magnoliaceae: phylogenomic approach Sangtae Kim*1, Suhyeon Park1, and Jongsun Park2 1 Sungshin University, Korea 2 InfoBoss Co., Korea Mr. Carl Ferris Miller Founder of Chollipo Arboretum in Korea Chollipo Arboretum Famous for its magnolia collection 2020. Annual Meeting of Magnolia Society International Cholliop Arboretum in Korea. April 13th~22th, 2020 http://WWW.Chollipo.org Sungshin University, Seoul, Korea Dr. Hans Nooteboom Dr. Liu Yu-Hu Twenty-one years ago... in 1998 The 1st International Symposium on the Family Magnoliaceae, Gwangzhow Dr. Hiroshi Azuma Mr. Richard Figlar Dr. Hans Nooteboom Dr. Qing-wen Zeng Dr. Weibang Sun Handsome young boy Dr. Yong-kang Sima Dr. Yu-wu Law Presented ITS study on Magnoliaceae - never published Ten years ago... in 2009 Presented nine cp genome region study (9.2 kbp) on Magnoliaceae – published in 2013 2015 1st International Sympodium on Neotropical Magnoliaceae Gadalajara, 2019 3rd International Sympodium and Workshop on Neotropical Magnoliaceae Asterales Dipsacales Apiales Why magnolia study is Aquifoliales Campanulids (Euasterids II) Garryales Gentianales Laminales Solanales Lamiids important in botany? Ericales Asterids (Euasterids I) Cornales Sapindales Malvales Brassicales Malvids Fagales (Eurosids II) • As a member of early-diverging Cucurbitales Rosales Fabales Zygophyllales Celestrales Fabids (Eurosid I) angiosperms, reconstruction of the Oxalidales Malpighiales Vitales Geraniales Myrtales Rosids phylogeny of Magnoliaceae will Saxifragales Caryphyllales -
Study on the Genetic Structure Based on Geographic Populations of the Endangered Tree Species: Liriodendron Chinense
Article Study on the Genetic Structure Based on Geographic Populations of the Endangered Tree Species: Liriodendron chinense Peng-Yan Zhou 1,† , Li-Xing Hui 1,†, Shu-Jing Huang 1, Zhou-Xian Ni 1 , Fa-Xin Yu 2 and Li-An Xu 1,* 1 Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; [email protected] (P.-Y.Z.); [email protected] (L.-X.H.); [email protected] (S.-J.H.); [email protected] (Z.-X.N.) 2 The Key Laboratory of Horticultural Plant Genetic and Improvement of Jiangxi Province, Institute of Biological Resources, Jiangxi Academy of Sciences, Nanchang 330096, China; [email protected] * Correspondence: [email protected]; Tel.: +86-025-8542-7882 † Peng-Yan Zhou and Li-Xing Hui contributed equal. Abstract: Liriodendron chinense (Hemsley) Sargent is a Class II protected plant in China as natural populations are on the verge of extinction. There is still a lack of systematic research on the genetic resources of its geographic populations. In this study, we used 20 pairs of SSR markers with high polymorphism to analyze a total of 808 L. chinense samples from 22 regions, and 63 Liriodendron tulipifera Linn samples from 2 regions were used as a comparison group. The results revealed a total of 78 alleles in L. chinense, and the average expected heterozygosity (He) was 0.558, showing a low level of genetic diversity. The degree of differentiation of L. chinense was high, with the differentiation coefficient (Fst) as high as 0.302, which is related to the low gene flow (Nm = 0.578). -
Arborerum Spring Planting Notes
ARNOLDIA A continuation of the BULLETIN OF POPULAR INFORMATION _ of the Arnold Arboretum, Harvard University VOLUME 16 .~Z.41~ 4, 1956 NUMBERS 4-5 ARBORETUM SPRING PLANTING NOTES planting at the Arnold Arboretum goes on year after year, unheralded Sand PRING unsung, yet many extremely interesting plants will eventually grow into the public’s notice. Young plants are necessarily pruned very heavily when they are transplanted to the grounds here, so that frequently several years elapse be- fore such plants eventually reach any real size and become noticeable to the horticultural-minded visitor. However, a close scrutiny of any year’s planting list will show many an old variety being replaced in young form (making it pos- sible to remove diseased or damaged specimens), and many new plants being placed that have never been in the Arboretum collections before. Some are prob- ably new to any American planting. Brief information concerning a few of the trees and shrubs planted out this spring will be of interest m this respect. It should be pointed out that to reach planting size, these plants ha~ e been growing in the nurseries of the Arnold Arboretum anywhere from one to sixteen years. Some must be tested for hardiness before they are planted in the perma- nent collections ; others must be checked when they flower to make certain they are named correctly. So, although they may be noted in the following pages as "new" to the permanent collections, they have all been growing in the Arbore- tum nurseries for several years. This is only part of a lengthy testing program for new plants which is going on continually, year after year. -
1Introduction
Cambridge University Press 978-1-107-07017-2 - Plants of China: A companion to the Flora of China Edited BY Hong De-yuan and Stephen Blackmore Excerpt More information Chapter Introduction 1 Stephen Blackmore HONG De-Yuan Peter H. Raven and Alexandra H. Wortley 1.1 Introduction: China – garden of the world At the time the first humans (the genus Homo) first appeared on Earth, about 2.3 million years ago, the The flora of China is astonishing in its diversity. With climates thus cycled between cold and warm, depending 32 500 species of vascular plants, over 50% of them on the position of the ice sheets. The vegetation of the endemic, it has more plant species and more botanical planet reflected these climatic and physical factors, with variety than any other temperate country, and more than all lush equatorial rainforests, prairies and savannas, alpine but a few tropical countries. meadows extending to their vertical limits, boreal forests and arctic tundra. Until around 11 200 years ago, when Just why the flora of China is so diverse is a complex agriculture was first developed, humans lived in bands issue: many historical factors can account for the degree of ca. 30–45 people that rarely came into contact with of richness of plant life found in different places on Earth, one another; it is estimated that the total global human including the changing face of the Earth itself. Some 180 population on all continents amounted to perhaps three million years ago, before vascular plants had evolved, the million people. As human numbers increased, at first continents were gathered together as a gigantic land mass slowly and then with increasing rapidity, to perhaps 300 known as Pangaea. -
Here Pathway Design Modifications Could Greatly Improve Safety for All Visitors
CONTENTS 03 Project Details 07 Exhibit A | Park Map 08 Exhibit B | Link to Relevant Documents 09 Exhibit C | Strategic Plan 02 Level 1 Multimodal Pathway Design Improvements for the Charles River Esplanade in Boston, MA SUMMARY The Esplanade Association (EA), in partnership with the Massachusetts Department of Conservation and Recreation (DCR), seeks professional services including planning, design, permitting, and construction management for multimodal pathway design modifications within the Charles River Esplanade park. The consultant will work in collaboration with representatives from EA and DCR to develop site-specific solutions to improve pathway safety for all users in this dynamic urban green space. EA is embarking on what is expected to be a series of multi-year, multi-level projects to improve the Esplanade pathway system, beginning with Immediate Impact improvements such as signage and pavement markings, building up to Major Impact improvements such as pathway design changes, and culminating with Multigenerational Impact projects that will see the expansion of the Esplanade’s multimodal pathway network. This RFP is designated for the Level 1 Immediate Impacts Project with the goal of improving pathway safety at priority locations on the Esplanade. Proposals from qualified applicants are requested by Thursday, May 20, 2021. Qualified Level 1 applicants may be eligible to receive the RFPs designated for the Level 2 Major Impact Projects and/or the Level 3 Multigenerational Impact Projects, when they become available. ORGANIZATIONAL BACKGROUND The Esplanade Association is a 100% privately funded nonprofit organization that works to revitalize and enhance the Charles River Esplanade, sustain its natural green space, and build community by providing educational, cultural, and recreational programs for everyone. -
Liriodendron Tulipifera Family: Magnoliaceae
Cultivation Notes No. 51 THE RHODE ISLAND WILD PLANT SOCIETY Winter 2010 Tulip-tree – Liriodendron tulipifera Family: Magnoliaceae By Dick Fisher Liriodendron tulipifera is one of Rhode Island’s majestic native trees. Its common name refers both to its tulip-like spring flowers and to its classic leaf shape. It is also known as Whitewood, Tulip-poplar, and Yellow Poplar, although it is not actually related to the poplars, but instead is a member of the Magnolia family. It has a long history originating in the Cretaceous period (65 million years ago) and, in the pre-glacial L. tulipifera, flower L. tulipifera era, grew throughout Europe and Asia. Today its native range is confined to eastern North America. Liriodendron chinense, a native of China, is the only other species in the Liriodendron genus. The Tulip-tree’s current range is from southern New England, including Rhode Island, Massachusetts, Connecticut and Vermont, west to the great lakes and south to Louisiana and Florida. In our area it commonly attains a height of 50 to 100 feet with a diameter of two to six feet, often growing taller than maples and oaks. In the southern Appalachian states it may reach a height of 200 feet and live 250 to 300 years. A truly magnificent tree, it is the designated state tree of Kentucky, Tennessee, and Indiana. The Rhode Island Tree Council Champion Trees registry lists four individual Liriodendron in its top 25 biggest trees, and it appears eight times in the top 25 tallest. For individual height it holds second place in Rhode Island at 115 feet. -
Journal of the American Horticultural Society, Inc
Journal of the American Horticultural Society, Inc. 901 NORTH WASHINGTON STREET, ALEXANDRIA, VIRGINIA 22314 For United Horticulture ... The particular objec.ts and business of the American Horticultural Society a.ye to promote and encourage national in·terest in scientific research and education in horticulture in all of its branches. 1970-71 EXECUTIVE COMMITTEE (*) President Treasurer DR. DAVID G. LEACH (1971) MR. JOHN M. PATEK (1972) 1674 Trinity Road President North Madison, Ohio 44057 Color Data, Inc. 434 Mount Airy Drive First Vice President Rochester, New York 14617 MRS. ERNESTA D. BALLARD (1973) Director, Pennsylvania MembeT of the Board Horticultural Society DR. HENRY M. CATHEY (1973) 325 Walnut Street Leader, Ornamental Investigations Philadelphia, Pennsylvania 19106 Agricultural Research Service Second V ice President U.S. Department of Agriculture Beltsville, \!faryland 20705 MR. FREDERICK J. CLOSE (1971) 6189 Shore Drive Immediate Past President North Madison, Ohio 44057 MR. FRED C. GALLE (1971) (U) Secretary Director of Horticulture DR. GEORGE H. M. LAWRENCE (1971) Callaway Gardens 390 Forge Road Pine Mountain, Georgia 31822 East Greenwich, Rhode Island 02818 MR. O. KEISTER EVANS Executive Director Washington, D. C. (e) Members of the 1970-71 Board of Directors per bylaw provision. ( ..) Ex officio, and without vote. THE AMERICAN HORTICULTURAL MAGAZINE is the official publication of The American Horticultural Society and is issued during the Winter, Spring, Summer, and Fall quarters. The magazine is included as a benefit of membership in The American Horticultural Society, individual membership dues being $15 .00 a year. THE AMERICAN HORTICULTURAL MAGAZINE is devoted to the dissemination of knowledge in the science and art of growing ornamental plants, fruits, vegetables, and related subjects. -
Boston's Emerald Necklace Conservancy Announces Critical Restoration of Charlesgate Park As an Essential Link to Connect the E
MEDIA CONTACT: Edwina A. Klünder 617.888.5859 [email protected] FOR IMMEDIATE RELEASE: Boston’s Emerald Necklace Conservancy announces critical restoration of Charlesgate Park as an essential link to connect the Emerald Necklace parks, Charles River Esplanade and Commonwealth Avenue Mall This transformational project is being realized in partnership with Charlesgate Alliance, Massachusetts Department of Conservation and Recreation and Massachusetts Department of Transportation Left drawing: Charlesgate Park lies at the juncture of several regional park systems, including the Emerald Necklace, the Charles River Esplanade and the Charles River Reservation. Right drawing: Proposed improvements to Charlesgate Park would directly connect regional park systems like the Emerald Necklace and the Charles River Esplanade for the first time in more than half a century. Photo credit: Landing Studio Boston, MA June 11, 2020 – The Emerald Necklace Conservancy is announcing the re-envisioning of Charlesgate Park in Boston. This critical project will be a major improvement for urban recreation and public health, including a universally accessible children’s play area, one of the largest dog parks in the city, new pathways for bike and pedestrian use, the implementation of green infrastructure and resilience throughout including the completion of a major transportation link. Charlesgate Park, located at the intersection of Boston’s Back Bay, Fenway and Kenmore neighborhoods, was designed by Frederick Law Olmsted as the first part of the Emerald Necklace, connecting the Charles River Esplanade, Commonwealth Avenue Mall, several neighborhoods and the five-mile, six-park linear park system known as the Emerald Necklace. In the 1950s and 1960s, prioritization of road construction over parkland (Storrow Drive) compromised this once-idyllic space, overshadowing it with a highway overpass (Bowker Overpass), and dividing it with new roads and on- ramps, ultimately increasing pollution of the Muddy River and deteriorating the park’s usability. -
Esplanade Cultural Landscape Report - Introduction 1
C U L T U R A L L A N D S C A P E R E P O R T T H E E S P L A N A D E B O S T O N , M A S S A C H U S E T T S Prepared for The Esplanade Association 10 Derne Street Boston, MA 02114 Prepared by Shary Page Berg FASLA 11 Perry Street Cambridge, MA 02139 April 2007 CONTENTS Introduction . 1 PART I: HISTORICAL OVERVIEW 1. Early History (to 1893) . 4 Shaping the Land Beacon Hill Flat Back Bay Charlesgate/Bay State Road Charlesbank and the West End 2. Charles River Basin (1893-1928) . 11 Charles Eliot’s Vision for the Lower Basin The Charles River Dam The Boston Esplanade 3. Redesigning the Esplanade (1928-1950) . 20 Arthur Shurcliff’s Vision: 1929 Plan Refining the Design 4. Storrow Drive and Beyond (1950-present) . 30 Construction of Storrow Drive Changes to Parkland Late Twentieth Century PART II: EXISTING CONDITIONS AND ANALYSIS 5. Charlesbank. 37 Background General Landscape Character Lock Area Playground/Wading Pool Area Lee Pool Area Ballfields Area 6. Back Bay. 51 Background General Landscape Character Boating Area Hatch Shell Area Back Bay Area Lagoons 7. Charlesgate/Upper Park. 72 Background General Landscape Character Charlesgate Area Linear Park 8. Summary of Findings . 83 Overview/Landscape Principles Character Defining Features Next Steps BIBLIOGRAPHY. 89 APPENDIX A – Historic Resources . 91 APPENDIX B – Planting Lists . 100 INTRODUCTION BACKGROUND The Esplanade is one of Boston’s best loved and most intensively used open spaces. -
Boston “Emerald Necklace” Case Study
Report MIT Wescoat Boston “Emerald Necklace” Case Study Product of research on “Enhancing Blue-Green Environmental and Social Performance in High Density Urban Environments” Sponsored by the Ramboll Foundation 20 July 2015 Authors: Alex Marks, James L. Wescoat Jr., Karen Noiva, and Smita Rawoot Massachusetts Institute of Technology Page 1 Report MIT Wescoat CONTENTS 1. PREFACE ........................................................................................................................................................ 3 2. DEFINING BLUE-GREEN INFRASTRUCTURE (BGI) IN BOSTON ............................................ 5 3. SITUATING BOSTON’S BLUE GREEN INFRASTRUCTURE IN A LOCAL, REGIONAL & COMPARATIVE INTERNATIONAL CONTEXT ........................................................................................... 9 4. CHALLENGES THAT CITIES LIKE BOSTON FACE TODAY .................................................... 24 5. RESEARCH FINDINGS ON HOW BOSTON HAS ADDRESSED SUCH CHALLENGES USING BGI: THE EXPANDED PROCESS MODEL APPROACH ...................................................... 31 6. RESEARCH FINDINGS ON THE VALUES ADDED BY BGI IN BOSTON .............................. 37 7. RESEARCH FINDINGS ON INSTITUTIONAL DYNAMICS .......................................................... 48 8. RESEARCH FINDINGS RELEVANT FOR IMPLEMENTING FUTURE BGI PROJECTS ... 56 9. REFERENCES ............................................................................................................................................ 58 10. ANNEXES .................................................................................................................................................