DOCSLIB.ORG

Junker's Nursery

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text

Load more

1 JUNKER’S NURSERY LTD 2011-2012 Higher Cobhay (01823) 400075 Milverton Somerset E-mail: [email protected] TA4 1NJ Website: www.junker.co.uk See website for more detail: www.junker.co.uk elcome to a new look catalogue. Mind you, the catalogue is season, but if that means planting at a time of year when the plants have2 the least of the changes this year! We have finally completed best chance of success, then that can only be a good thing. I would en- W our relocation to our new site. Although we have owned it courage you therefore to make your plans and reserve your plants for for nearly 4 years now, personal circumstances intervened and it has when we can lift them. Typically we start this in mid-October. The taken longer to complete the move than we anticipated. It was definitely plants don’t need to have completely lost their leaves, but they do need worth the wait though (even if the rain is streaming down the windows to have finished active growth for the season. We will then continue lift- yet again, even as I write this in late July!) So much is different that it’s ing right through until March or so, but late planting can be risky in the difficult to know where to start...what remains unchanged however is our event of a dry spring such as we’ve had the last couple of years. Lifting commitment to growing the most exciting plants to the best of our abil- is weather dependant though, as we can’t continue if everything is water- ity, and to giving you, the customer, the kind of personal service that logged or frozen solid. seems to have almost disappeared from society these days. I make no We are blessed with wonderful soil here, and magnificent views, bones about emphasizing this. We propagate from our own stock plants, so we are very exposed. Our plants will be hardy, that’s for sure! and grow on, everything that we sell. We do not buy in to re-sell. It is The following listing is intended to include all plants that will be our belief that too many plants are imported, with inherent establishment available over the next season. Inevitably there will be things I’ve and environmental concerns. So I urge you to “Buy British”! missed, and others will sell out since we only sell plants which we grow The intention with this new catalogue is that you can make notes ourselves. So do please email me your list prior to ordering. In many of personal interest and relevance as you either walk round the nursery cases there will be multiple sizes available. Our new site allows us to here, or research the plants at home. An increasing number of folk have offer much larger specimens in addition to our normal range, including access to the internet, so I encourage you to use this list in conjunction semi-mature maples that need to be seen to be believed! Although our with our website core range remains very similar, we will be developing collections of a www.junker.co.uk number of other plants which will complement them. In time, examples where full descriptions can be found. We’re still intent on including pho- of all our mother plants will be displayed in a natural setting, allowing tos of everything on our website, but you’ll understand that we’ve been a full and meaningful comparison between cultivars to be made. This will bit busy of late… not only look awesome, it will also be incredibly useful. We’ll be doing things a little differently here: we will be grow- Our delivery service becomes increasingly relevant with these ing an increasing amount of our stock in the open ground, to be lifted larger plants —most areas are accessible with patience. Please ask. and root-balled and wrapped (not to be confused with “bare-root” which The other important news is that our son Torsten has joined us is never as satisfactory.) There are numerous advantages to this appar- on the nursery. He’s always had a deep interest in, and empathy for, the ently “old-fashioned” method, not least of which is the production of natural world, but he is also an inexhaustible well of fresh ideas and ex- hardier, more robust plants. They have an established natural root sys- citing plans, most of which I look forward to implementing over the next tem, and are used to growing outside in the real world. Thus they are few years. better acclimatised and will be far more tolerant of the extremes of For the immediate future we will remain open by appointment weather we seem to be experiencing than soft plants pushed on in artifi- only, so do please ring or email before visiting. cial conditions. We believe that the use of peat-based composts and plas- tic pots is not sustainable. The drawback of course is a shorter planting Karan Junker How to use this catalogue. If you are interested in purchasing any of our plants, drop me through an email with your wish list. Give me an idea of what sort of size plants you would prefer and whether you wish to collect or have them delivered. Remember to include your full postal address including phone number and postcode. I will then reply with price, size and availability detail and we can progress from there. For the first time, I have produced a simple list rather become available. than a descriptive catalogue. As we increase the number of varie- In principle the starting size for most things is a 2 or 3 ties that we grow, particularly the number of cultivars within a litre pot at an appropriate price, whilst the older, more mature given genus, so the quantity of any one variety decreases. This plants tend to be growing on in the open ground where they can was making the descriptive catalogue increasingly unwieldy, and develop naturally, in most cases making a more compact, denser I had started to leave out any cultivars only available in small plant than their pot-grown equivalent. This more robust plant will numbers, which seemed a little self-defeating. With current envi- need less staking and protection when planted. ronmental awareness, I am also mindful of paper usage. Times Regular readers may notice the sudden inclusion of change and the internet is becoming more ubiquitous. Thus my a range of Agave and Dasylirion. These are my son Torsten’s intention is that this booklet represents a list of plants that are production. He has raised them all from seed and is excited to see available for Autumn 2011, or will be available over the coming them reach saleable proportions; indeed some of them are now season. Use it in conjunction with the website, which will be up- pleasantly substantial. Perfect for pots on the patio. He has some- dated as often as my time allows, where full descriptions will be what eclectic tastes, with his personal collection including named found. Helpfully, I have left lots of space on the pages here for Echinopsis (basically cacti with amazing great big flowers) - if you to make your personal notes. those appeal (perhaps to encourage an interested youngster) he We are now growing our plants in an increasing num- has a number available in small pots. They are deceptively toler- ber of different sizes which was also contributing to catalogue ant and will happily sit outside in a pot through the summer. Now complications, as it was simply impossible to list all the options that would be a talking point on your patio! with their prices. In principle the price is determined by age As always, if you have any questions, don’t hesitate to rather than physical size. Thus the website will show the starting contact me. Be aware that the new site here is over 3 times the price for the youngest plants. For example, I have Japanese ma- size of our previous holding, so I am not always in range of the ples in assorted sizes ranging from under £30 up to over twelve phone. Thus email communications are preferable as I can deal hundred pounds, with a myriad steps in between. Something for with them at unsociable times! everyone then, but bear in mind not all cultivars will be available Visitors will be welcome by prior appointment only in all sizes all the time. Some plants will sell out, and others may please. Abies—Acer 3 Abies grandis Abies koreana Abies nordmaniana Acer buergerianum Acer campbellii 'Exuberance' Acer campbellii ssp. sinensis Acer campestre 'Silver Celebration' Acer capillipes 'Honey Dew' Acer circinatum 'Burgundy Jewel' Acer circinatum 'Monroe' Acer circinatum 'Pacific Fire' Acer circinatum 'Sunglow' Acer davidii Acer davidii 'Cantonspark' Acer davidii 'Cascade' Acer davidii 'George Forrest' Acer davidii 'Karmen' Acer davidii 'Purple Bark' Acer davidii 'Rosalie' Acer davidii 'Serpentine' Acer forrestii 'Alice' Acer griseum Acer japonicum 'Aconitifolium' Acer japonicum 'Ao jutan' Acer japonicum 'Emmett's Pumpkin' Acer japonicum 'Green Cascade' Acer japonicum 'Lovett' Acer japonicum 'Vitifolium' Acer palmatum 'Alpenweiss' Acer palmatum 'Amagi shigure' Acer palmatum 'Amber Ghost' Acer palmatum 'Ao seigen' Acer palmatum 'Aoba jo' Acer palmatum 'Aoyagi' Acer palmatum 'Aoyagi gawa' Acer palmatum 'Arakawa ukon' Acer palmatum 'Aratama' Acer palmatum 'Ariadne' See website for more detail: www.junker.co.uk Acer... 4 Acer palmatum 'Asahi zuru' Acer palmatum 'Autumn Glory' Acer palmatum 'Autumn Showers' Acer palmatum 'Azuma murasaki' Acer palmatum 'Beni gasa' Acer palmatum 'Beni hageromo' Acer palmatum 'Beni kagami' Acer palmatum 'Beni kawa' Acer palmatum 'Beni komachi' Acer palmatum 'Beni maiko' Acer palmatum 'Beni otake' Acer palmatum 'Beni shichihenge' Acer palmatum 'Beni shigitatsu sawa' Acer palmatum 'Beni tsukasa' Acer palmatum 'Berry Dwarf' Acer palmatum 'Biho' Acer palmatum 'Bloodgood' Acer palmatum
Recommended publications
  • STACHYURUS- Staartaar Dendraflora Nr 33 - 1996

    STACHYURUS- Staartaar Dendraflora Nr 33 - 1996

    STACHYURUS- Staartaar Dendraflora Nr 33 - 1996 R.T. H_OUTMAN Een van de geslachten waar niet direct aan wordt gedacht, als het gaat om winterbloeiende gewassen, is Stachyurus. Deze tamelijk onbekende plant kan in de toekomst tot het standaardsortiment boomkwekerijgewassen behoren. Er is een toenemende vraag naar een breder sortiment met andere sierwaarden dan bloei in het voorjaar of de zomer; Stachyurus past hier zeer goed in. SYSTEMATIEK Stachyurus is een klein geslacht, dat in de familie van de Stachyuraceae is geplaatst. Over de classificatie van deze familie zijn de systematici het niet geheel eens, maar nadat de Stachyuraceae voorheen bij de Theaceae waren ondergebracht, wordt de familie nu als op zichzelf staand beschouwd binnen de orde van de Violales. Ook worden argumenten voor verwantschap met de Flacourtiaceae aangevoerd. Stachyurus bevat acht tot tien soorten, afhankelijk van de interpretatie, die de verschillende systematici hanteren. In Nederland zijn drie soorten in cultuur. Naast S. chinensis en S. praecox, wordt ook S. himalaicus op zeer beperkte schaal gekweekt. Over de kenmerken van de laatstgenoem­ de soort bestaat enige verwarring, hierover meer bij de soortsbeschrijving. MORFOLOGIE De tot Stachyurus behorende soorten zijn eenhuizige bladverliezende of groenblijvende struiken tot kleine bomen met verspreide bladstand. De enkelvoudige bladeren hebben gewoonlijk een gezaagde bladrand. De bloeiwijze is een okselstandige, hangende tros, die bestaat uit een aantal bloemen. Ze worden in het najaar gevormd. De afzonderlijke bloemen en vooral de vruchten zijn zeer kort gesteeld. Hieruit blijkt, dat - morfologisch gezien - de bloemen in een tros en dus niet in een aar bijeen staan. (De Nederlandse naam staartaar is daarom feitelijk onjuist).
  • Non-Native Trees and Large Shrubs for the Washington, D.C. Area

    Non-Native Trees and Large Shrubs for the Washington, D.C. Area

    Green Spring Gardens 4603 Green Spring Rd ● Alexandria ● VA 22312 Phone: 703-642-5173 ● TTY: 703-803-3354 www.fairfaxcounty.gov/parks/greenspring NON - NATIVE TREES AND LARGE SHRUBS ­ FOR THE WASHINGTON, D.C. AREA ­ Non-native trees are some of the most beloved plants in the landscape due to their beauty. In addition, these trees are grown for the shade, screening, structure, and landscape benefits they provide. Deciduous trees, whose leaves die and fall off in the autumn, are valuable additions to landscapes because of their changing interest throughout the year. Evergreen trees are valued for their year-round beauty and shelter for wildlife. Evergreens are often grouped into two categories, broadleaf evergreens and conifers. Broadleaf evergreens have broad, flat leaves. They also may have showy flowers, such as Camellia oleifera (a large shrub), or colorful fruits, such as Nellie R. Stevens holly. Coniferous evergreens either have needle-like foliage, such as the lacebark pine, or scale-like foliage, such as the green giant arborvitae. Conifers do not have true flowers or fruits but bear cones. Though most conifers are evergreen, exceptions exist. Dawn redwood, for example, loses its needles each fall. The following are useful definitions: Cultivar (cv.) - a cultivated variety designated by single quotes, such as ‘Autumn Gold’. A variety (var.) or subspecies (subsp.), in contrast, is found in nature and is a subdivision of a species (a variety of Cedar of Lebanon is listed). Full Shade - the amount of light under a dense deciduous tree canopy or beneath evergreens. Full Sun - at least 6 hours of sun daily.
  • Extrapolating Demography with Climate, Proximity and Phylogeny: Approach with Caution

    Extrapolating Demography with Climate, Proximity and Phylogeny: Approach with Caution

    ! ∀#∀#∃ %& ∋(∀∀!∃ ∀)∗+∋ ,+−, ./ ∃ ∋∃ 0∋∀ /∋0 0 ∃0 . ∃0 1##23%−34 ∃−5 6 Extrapolating demography with climate, proximity and phylogeny: approach with caution Shaun R. Coutts1,2,3, Roberto Salguero-Gómez1,2,3,4, Anna M. Csergő3, Yvonne M. Buckley1,3 October 31, 2016 1. School of Biological Sciences. Centre for Biodiversity and Conservation Science. The University of Queensland, St Lucia, QLD 4072, Australia. 2. Department of Animal and Plant Sciences, University of Sheffield, Western Bank, Sheffield, UK. 3. School of Natural Sciences, Zoology, Trinity College Dublin, Dublin 2, Ireland. 4. Evolutionary Demography Laboratory. Max Planck Institute for Demographic Research. Rostock, DE-18057, Germany. Keywords: COMPADRE Plant Matrix Database, comparative demography, damping ratio, elasticity, matrix population model, phylogenetic analysis, population growth rate (λ), spatially lagged models Author statement: SRC developed the initial concept, performed the statistical analysis and wrote the first draft of the manuscript. RSG helped develop the initial concept, provided code for deriving de- mographic metrics and phylogenetic analysis, and provided the matrix selection criteria. YMB helped develop the initial concept and advised on analysis. All authors made substantial contributions to editing the manuscript and further refining ideas and interpretations. 1 Distance and ancestry predict demography 2 ABSTRACT Plant population responses are key to understanding the effects of threats such as climate change and invasions. However, we lack demographic data for most species, and the data we have are often geographically aggregated. We determined to what extent existing data can be extrapolated to predict pop- ulation performance across larger sets of species and spatial areas. We used 550 matrix models, across 210 species, sourced from the COMPADRE Plant Matrix Database, to model how climate, geographic proximity and phylogeny predicted population performance.
  • 2. ACER Linnaeus, Sp. Pl. 2: 1054. 1753. 枫属 Feng Shu Trees Or Shrubs

    2. ACER Linnaeus, Sp. Pl. 2: 1054. 1753. 枫属 Feng Shu Trees Or Shrubs

    Fl. China 11: 516–553. 2008. 2. ACER Linnaeus, Sp. Pl. 2: 1054. 1753. 枫属 feng shu Trees or shrubs. Leaves mostly simple and palmately lobed or at least palmately veined, in a few species pinnately veined and entire or toothed, or pinnately or palmately 3–5-foliolate. Inflorescence corymbiform or umbelliform, sometimes racemose or large paniculate. Sepals (4 or)5, rarely 6. Petals (4 or)5, rarely 6, seldom absent. Stamens (4 or 5 or)8(or 10 or 12); filaments distinct. Carpels 2; ovules (1 or)2 per locule. Fruit a winged schizocarp, commonly a double samara, usually 1-seeded; embryo oily or starchy, radicle elongate, cotyledons 2, green, flat or plicate; endosperm absent. 2n = 26. About 129 species: widespread in both temperate and tropical regions of N Africa, Asia, Europe, and Central and North America; 99 species (61 endemic, three introduced) in China. Acer lanceolatum Molliard (Bull. Soc. Bot. France 50: 134. 1903), described from Guangxi, is an uncertain species and is therefore not accepted here. The type specimen, in Berlin (B), has been destroyed. Up to now, no additional specimens have been found that could help clarify the application of this name. Worldwide, Japanese maples are famous for their autumn color, and there are over 400 cultivars. Also, many Chinese maple trees have beautiful autumn colors and have been cultivated widely in Chinese gardens, such as Acer buergerianum, A. davidii, A. duplicatoserratum, A. griseum, A. pictum, A. tataricum subsp. ginnala, A. triflorum, A. truncatum, and A. wilsonii. In winter, the snake-bark maples (A. davidii and its relatives) and paper-bark maple (A.
  • Acer Buergerianum Plants, Adequately Moist in Summer but Well Drained in Winter Is "Trident Maple" a Pretty Small Tree Whose Grace Is Enhanced by the Key to Success

    Acer Buergerianum Plants, Adequately Moist in Summer but Well Drained in Winter Is "Trident Maple" a Pretty Small Tree Whose Grace Is Enhanced by the Key to Success

    Acer buergerianum plants, adequately moist in summer but well drained in winter is "Trident Maple" A pretty small tree whose grace is enhanced by the key to success. 3m. the small three-lobed leaves. Particularly good autumn colour begins scarlet turning orange-yellow. A good hardy Maple Acer x conspicuum 'Silver Cardinal' tolerant of many less favoured sites. 4m. This Snakebark has the most incredible pink and cream variegated foliage, highlighted by the red petioles and young stems. It Acer circinatum 'Monroe' occurred as a chance seedling of A. pensylvanicum and received A plant I've lusted after for years! Shrubby habit, with deeply an Award of Merit in 1985. Our stock is directly derived from incised light green leaves (even more so than A. japonicum the original seedling in the Windsor Great Park. Unless your soil 'Aconitifolium'). Predominantly yellow autumn colours may is very good, it is safest in dappled shade. 3m. develop some orange. Worthy of a special site. 3m. Acer x conspicuum 'Silver Vein' Acer circinatum 'Pacific Fire' A hybrid between A. davidii George Forrest and A. Imagine the coral bark colour of Acer palmatum 'Sangokaku' pensylvanicum Erythrocladum found at Hilliers about 1960. It is combined with the larger leaves and more tolerant growth arguably the best of the basic snakebarks for garden suitability requirements of this species, and the result is a plant with and good colour with its rich purple and white striped winter awesome potential. Fantastic autumn colour too. bark, becoming green with maturity. 5m. Acer circinatum 'Sunglow' Acer davidii This has been on my "wanted" list ever since I first saw it Delightful small tree noted for dazzling autumn colour and photographed! Apricot coloured young growth matures to attractive white striped purple bark in winter.
  • STACHYURACEAE 1. STACHYURUS Siebold & Zuccarini, Fl. Jap. 1: 42. 1836

    STACHYURACEAE 1. STACHYURUS Siebold & Zuccarini, Fl. Jap. 1: 42. 1836

    STACHYURACEAE 旌节花科 jing jie hua ke Yang Qiner (杨亲二)1; Peter F. Stevens2 Shrubs or small trees, sometimes climbing, deciduous or evergreen; branchlets conspicuously pithy, most often glabrous, occasionally puberulous when young. Winter buds small, with 2–4 scales. Leaves simple, alternate; stipules caducous, linear-lanceo- late; leaf blade membranous to leathery, margin serrate. Racemes or spikes axillary, erect or nodding. Flowers small, regular, bisex- ual, or plant dioecious, shortly pedicellate or sessile; bracteoles connate at base. Sepals 4, imbricate. Petals 4, imbricate. Stamens 8 in 2 series; filaments subulate; anthers versatile, introrsely longitudinally dehiscent. Ovary superior, 4-loculed; ovules numerous on intrusive-parietal placentae; style short; stigma capitate, shallowly 4-lobed. Fruit a berry, pericarp leathery. Seeds numerous, small, with soft arils; endosperm fleshy; embryo straight; cotyledons elliptic; radicle short. 2n = 24. One genus and ca. eight species: E Asia; seven species (four endemic) in China. Although the familial status of the Stachyuraceae has been generally accepted, its systematic position has been long controversial. It was considered related to Actinidiaceae, Clethraceae, Crossosomataceae, Flacourtiaceae, Hamamelidaceae, Staphyleaceae, Theaceae, or Violaceae by different authors based on evidence from embryology, seed anatomy, wood anatomy, palynology, or rbcL sequence data. The reader may also wish to refer to two other recent studies of the family, by Chen (Acta Bot. Yunnan. 3: 125–137. 1981) and Tang et al. (Acta Phytotax. Sin. 21: 236–253. 1983). Shan Hanrong. 1999. Stachyuraceae. In: Ku Tsuechih, ed., Fl. Reipubl. Popularis Sin. 52(1): 81–96. 1. STACHYURUS Siebold & Zuccarini, Fl. Jap. 1: 42. 1836. 旌节花属 jing jie hua shu Morphological characters and geographic distribution are the same as those of the family.
  • Abies Concolor (White Fir)

    Abies Concolor (White Fir)

    Compiled here is distribution, characteristics and other information on host species featured as ‘Host of the Month’ in past issues of the COMTF Monthly Report. Abies concolor (white fir) This is an evergreen tree native to the mountains of southern Oregon, California, the southern Rocky Mountains, and Baja California. Large and symmetrical, white fir grows 80 – 120ft tall and 15 – 20ft wide in its native range and in the Pacific Northwest. White fir is one of the top timber species found in the Sierra Nevada Mountains of CA and is a popular Christmas tree, as well as one of the most commonly grown native firs in Western gardens. Young trees are conical in shape, but develop a dome-like crown with age. The flattened needles of white fir are silvery blue-green, blunt at the tip , and grow 2 – 3in long. Often curving upwards, the needles extend at right angles from the twig, and twigs produce a citrus smell when needles are broken. White fir is monoecious, producing yellow- to red-toned, catkin-like male flowers and inconspicuous yellow-brown female flowers. The oblong cones grow 3 – 5 in upright, are yellow-green to purple in color, and are deciduous at maturity, dispersing seed in the fall. New twigs are dark- orange, but become gray-green, then gray with maturity. The bark of saplings is thin, smooth, and gray, turning thick, ash-gray with age, and developing deep irregular furrows. P. ramorum- infected Abies concolor (white fir) was first reported in the October 2005 COMTF newsletter as having been found at a Christmas tree farm in the quarantined county of Santa Clara.
  • IHCA Recommended Plant List

    IHCA Recommended Plant List

    Residential Architectural Review Committee Recommended Plant List Plant Materials The following plant materials are intended to guide tree and shrub ADDITIONS to residential landscapes at Issaquah Highlands. Lot sizes, shade, wind and other factors place size and growth constraints on plants, especially trees, which are suitable for addition to existing landscapes. Other plant materials may be considered that have these characteristics and similar maintenance requirements. Additional species and varieties may be selected if authorized by the Issaquah Highlands Architectural Review Committee. This list is not exhaustive but does cover most of the “good doers” for Issaquah Highlands. Our microclimate is colder and harsher than those closer to Puget Sound. Plants not listed should be used with caution if their performance has not been observed at Issaquah Highlands. * Drought-tolerant plant ** Requires well-drained soil DECIDUOUS TREES: Small • Acer circinatum – Vine Maple • Acer griseum – Paperbark Maple • *Acer ginnala – Amur Maple • Oxydendrum arboreum – Sourwood • Acer palmation – Japanese Maple • *Prunus cerasifera var. – Purple Leaf Plum varieties • Amelanchier var. – Serviceberry varieties • Styrax japonicus – Japanese Snowbell • Cornus species, esp. kousa Medium • Acer rufinerve – Redvein Maple • Cornus florida (flowering dogwood) • *Acer pseudoplatanus – Sycamore Maple • Acer palmatum (Japanese maple, many) • • *Carpinus betulus – European Hornbeam Stewartia species (several) • *Parrotia persica – Persian Parrotia Columnar Narrow
  • Wa Shan – Emei Shan, a Further Comparison

    Wa Shan – Emei Shan, a Further Comparison

    photograph © Zhang Lin A rare view of Wa Shan almost minus its shroud of mist, viewed from the Abies fabri forested slopes of Emei Shan. At its far left the mist-filled Dadu River gorge drops to 500-600m. To its right the 3048m high peak of Mao Kou Shan climbed by Ernest Wilson on 3 July 1903. “As seen from the top of Mount Omei, it resembles a huge Noah’s Ark, broadside on, perched high up amongst the clouds” (Wilson 1913, describing Wa Shan floating in the proverbial ‘sea of clouds’). Wa Shan – Emei Shan, a further comparison CHRIS CALLAGHAN of the Australian Bicentennial Arboretum 72 updates his woody plants comparison of Wa Shan and its sister mountain, World Heritage-listed Emei Shan, finding Wa Shan to be deserving of recognition as one of the planet’s top hotspots for biological diversity. The founding fathers of modern day botany in China all trained at western institutions in Europe and America during the early decades of last century. In particular, a number of these eminent Chinese botanists, Qian Songshu (Prof. S. S. Chien), Hu Xiansu (Dr H. H. Hu of Metasequoia fame), Chen Huanyong (Prof. W. Y. Chun, lead author of Cathaya argyrophylla), Zhong Xinxuan (Prof. H. H. Chung) and Prof. Yung Chen, undertook their training at various institutions at Harvard University between 1916 and 1926 before returning home to estab- lish the initial Chinese botanical research institutions, initiate botanical exploration and create the earliest botanical gardens of China (Li 1944). It is not too much to expect that at least some of them would have had personal encounters with Ernest ‘Chinese’ Wilson who was stationed at the Arnold Arboretum of Harvard between 1910 and 1930 for the final 20 years of his life.
  • Download PCN-Acer-2017-Holdings.Pdf

    Download PCN-Acer-2017-Holdings.Pdf

    PLANT COLLECTIONS NETWORK MULTI-INSTITUTIONAL ACER LIST 02/13/18 Institutional NameAccession no.Provenance* Quan Collection Id Loc.** Vouchered Plant Source Acer acuminatum Wall. ex D. Don MORRIS Acer acuminatum 1994-009 W 2 H&M 1822 1 No Quarryhill BG, Glen Ellen, CA QUARRYHILL Acer acuminatum 1993.039 W 4 H&M1822 1 Yes Acer acuminatum 1993.039 W 1 H&M1822 1 Yes Acer acuminatum 1993.039 W 1 H&M1822 1 Yes Acer acuminatum 1993.039 W 1 H&M1822 1 Yes Acer acuminatum 1993.076 W 2 H&M1858 1 No Acer acuminatum 1993.076 W 1 H&M1858 1 No Acer acuminatum 1993.139 W 1 H&M1921 1 No Acer acuminatum 1993.139 W 1 H&M1921 1 No UBCBG Acer acuminatum 1994-0490 W 1 HM.1858 0 Unk Sichuan Exp., Kew BG, Howick Arb., Quarry Hill ... Acer acuminatum 1994-0490 W 1 HM.1858 0 Unk Sichuan Exp., Kew BG, Howick Arb., Quarry Hill ... Acer acuminatum 1994-0490 W 1 HM.1858 0 Unk Sichuan Exp., Kew BG, Howick Arb., Quarry Hill ... UWBG Acer acuminatum 180-59 G 1 1 Yes National BG, Glasnevin Total of taxon 18 Acer albopurpurascens Hayata IUCN Red List Status: DD ATLANTA Acer albopurpurascens 20164176 G 1 2 No Crug Farm Nursery QUARRYHILL Acer albopurpurascens 2003.088 U 1 1 No Total of taxon 2 Acer amplum (Gee selection) DAWES Acer amplum (Gee selection) D2014-0117 G 1 1 No Gee Farms, Stockbridge, MI 49285 Total of taxon 1 Acer amplum 'Gold Coin' DAWES Acer amplum 'Gold Coin' D2015-0013 G 1 2 No Gee Farms, Stockbridge, MI 49285, USA Acer amplum 'Gold Coin' D2017-0075 G 2 2 No Shinn, Edward T., Wall Township, NJ 07719-9128 Total of taxon 3 Acer argutum Maxim.
  • Comparative Flowering Ecology of Fraxinus Excelsior, Acer

    Comparative Flowering Ecology of Fraxinus Excelsior, Acer

    Comparative flowering ecology of Fraxinus excelsior, Acer platanoides, Acer pseudoplatanus and Tilia cordata in the canopy of Leipzig’s floodplain forest Der Fakultät für Biowissenschaften, Pharmazie und Psychologie der Universität Leipzig eingereichte D I S S E R T A T I O N zur Erlangung des akademischen Grades Doctor rerum naturalium (Dr. rer. nat.) vorgelegt von Diplom Biologe Ophir Tal geboren am 24.7.1972 in Tel Aviv, Israel Leipzig, den 22.6.06. 1 To Shira 3 Abstract How do gender separation and the transition to wind pollination happen in temperate trees? What does the reproductive ecology in the crowns of temperate forest trees look like? These connected questions intrigued researchers before and since Darwin but it is only in the last years that a direct study of the latter question has been enabled. A research crane was used to study the flowering ecology of Fraxinus excelsior, Acer platanoides, Acer pseudoplatanus and Tilia cordata in Leipzig’s floodplain forest. These species originate from hermaphrodite insect pollinated plant families and exhibit different grades of gender separation and different stages between insect and wind pollination. As they are typical elements of temperate deciduous forests, an ecological comparison of their flowering ecology may shed new light on the evolution of gender separation and wind pollination in this habitat. Using the crane, gender distribution, flowering phenology in relation to microclimate, pollination levels (including pollen tubes in the styles) and fruit set were studied in ca. 200 trees over 2-4 years. Main results are a new appreciation of the sexual system of Fraxinus excelsior as dioecy, of Tilia cordata as andromonoecy and a detailed description of the intricacies of the heterodichogamous sexual system of Acer pseudoplatanus.
  • 2017-4 Winter Newsletter Wespelaar Maple Collection No

    2017-4 Winter Newsletter Wespelaar Maple Collection No

    Reprinted from: The Maple Society Newsletter, Winter 2017 Vol 27/4 The Maple Collection at Arboretum Wespelaar, Belgium, with a special focus on some of the newer and rarer additions By Koen Camelbeke, Director, Arboretum Wespelaar It is indeed safe to say that the first dendrological passion of the founder of Arboretum Wespelaar, Philippe de Spoelberch, was for the genus Acer and rightly so! As we all know, this genus is really a joy at all times of year: flowers; new growth; colour and texture of emerging leaves in the Spring; variation in form and colour of leaves in the View across the lake at Arboretum Wespelaar, July 2013. Summer; autumn (Photo: Keith Montgomery) colours from late September to the end of November; and finally, the amazing range of bark textures and general tree habit which grace the winter months. When the Arboretum collection was started in the mid-1980s, the focus was on both botanical diversity as well as on aesthetics, especially focusing on autumn colour and Japanese maples. In the last decade or so, the focus shifted gradually to plants of known wild origin with the aim to present all of the species hardy in Belgium. Belgium is in this respect a wonderful country. Of course, as everywhere else, we also try to grow taxa which are more borderline in our climate, but, speaking of maples, Belgium has an excellent temperate, maritime climate influenced by the North Sea and Atlantic Ocean. Wespelaar is about 130km from the coast which means that our winters are somewhat colder and our summers hotter compared to the west of the country.