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TAA VEUSTUDV TRIPS FOR THE AHS GARDENER MARCH 1·14, 1991 NATURAL GARDENS OF PANAMA AND COSTA RICA Join long-time AHS member Claude Ho~e on board the Yorktown Clipper on an extraordinary exploration voyage beginning in F'anama City, Panama, and concluding in San Jose, Costa Rica. Explore the Caribbean coast of Panama, including the San alas Islands. A daylight transit of the Panama Canal brings us to the Pacific coast of Costa Rica with its horticultural treasures eoveted by botanists the world over. Explore quiet tropical rivers, major archaeological sites, cloud forests, volcanoes, and rain forest canopies brimming with orchids. Mr. Hope invites us for a special visit to Linda Vista , a 200-acre flower seed farm that he established at Cartago, Costa Rica. If you have ever planted petl:mias Of impatiens in your garden, the¥ were mest likely from seed origirnatee at Linda Vista. Leonard Haertter Travel Company, 7922 Bonhomme Avenue, Saint Louis~ MO 63105, (800) 942.£666 , (3t 4) 721-6200 (in Misooufi) APRIL 21·28,1991 GARDENS OF THE MISSISSIPPI Experience the grandeur of the Mississippi from New Orleans to Memphis on board the Mississippi Queen. Florts of call along the river include Heumas House, Saint F-ranoisville, Natchez, Vicksburg, and Greenville.ltxperience true Southern hospitality as AHS memeers and friends along the river o~en their homes ancl garde~s fer this horticultural ad­ venture. ~eonara Haertter Travel Company MAY 12·23, 1991 ENGLISH COUNTRYSIDE GARDENS AND THE CHELSEA FLOWER SHOW AHS members will have the unique opportunity to meet horticultural author f.losemary Verey and visij her home and garden-Barnsley House--during this vistl to the rolling hills of the Cotswolds and Kent. Participants will visit the gardens of Hidcote Manor, Sudeley Castle, Oxford, Denmans near Arundel, Nymans Gardens, Wakehurst Place, Great Dixter, Sissinghurst Place, and Isabella Planta­ tion befOre transferrin!!! to London to enjoy the Chelsea Flower Show. Guest lecturer for this pr0Qfam is David Wilson, ~opl!Jlar panelist en the BBC's series, "Gardener's Cerner." The tour will be led by ~Ivin MoDo~ald, lecturer a~d author and Secretary of the AHS Boare of Direetors. Leonard Haertter Travel Company JUNE 10·20, 1991 GARDENS OF THE SOUTHWEST: COLORADO ROCKIES AND CANYONLANDS Explore the diverse contrasts of plants from the alpine meadows of the Colorado Rockies to the desert plains of the Southwest. Explore unique, out-of-the-way parks like Arches National Park, the Goosenecks of the San Juan River and Canyon De Chelley National Monument. See firsthand the varied uses of native plants as Ai'!S memeers and friends open thei f garclens and homes for our speeial visit. Leonard Haertter Travel Company AUGUST 14·27, 1991 GARDENS OF THE MEDITERRANEAN Cruise aboard Sun Line's yachtlike Stella Maris along the northern coast of the Mediterranean Sea from Nice to Venice. En route we visit magnificent private and public gardens of France, Italy, and Yugoslavia as well as the wildflower meadows among ancient ruins and botanical gardens in Greece, The itinerary includes two nights in Nice and three nights in Venice as well as calling at tlie ports of Portofino, Elba, Sorrento, and Messina, Italy; Katakalon and Corfu, Greece; and Dubrovnik, Yugoslavia. The BBC's David Wilson will be guest lecturer for this memorable summer tour. Leonard Haertter Travel Company Hidcote Manor Gardens, in the Cotswolds, are among gardens to be visited during an AHS Study Tour next May. PHOTO COURTESY OF THE BRITISH TOURIST AUTHORITY eric an Horticulturist Volume 70, Number 2 February [991 ARTICLES Gardening Challenges: Keeping Your Cool in Alaska by Lenore Hedla ........................................ 12 The long stlmmer daylight almost makes up for the ice and snow. Recipes for Natives by Marty Carlock .... ...................... ..... ... .... 18 Tissue culture research may help to thwart plant collectors. Proven Perfonners Three American plant societies pick their favorite plants. Orchids by Alec Pridgeon .26 Bamboos by Richard Haubrich .30 Begonias by Larra Almstedt ....................................... 34 FEBRUARY'S COVER Photographed by Alec Pridgeon Cornelian Cherry-Pretty and Tasty Encyclia cordigera is a Latin by Lee Reieh ........................................... 39 American orchicl with This dogwood relative is more than ornamental. chocolate brown sepals afld petals and a contrasting cream DEPARTMENTS or rose lip. L ~ke most of the Encydia species, it is Commentary 4 remafkably fragrant. It is L€tters 6 among the orchids named by Book Reviews 8 Alec Pridgeon, education Classifieds .. 43 director of the American Plionunciations .. 47 Orchid Society, as "proven performers." Members of the American Bamboo Society and n1~e American Eegonia Society also lilame their favorites in an arfi£ie beginniBg OD page 26. EDITOR: Kathleen Fisher. ASSISTANT EDI\IORS, Mary Beth Wiesner, ",nomas M. BaHen. EDITORIAL ASSISTANT, Martha Palermo. DES)GN DIRECTOR, Joseph Yacinski. MEMBERSHIP DIRECTOR, K.,hleen B. Amberger. ADVERTISING, American H 0rticultural Society Advertising filepa,tmem, 2700 Prosperity Avenue, Fairfax, VA 22031, relephone (703) 204·4636. COLOR SEPARATIONS, Chro/Tla-Graphios, Inc. £DITORIAL ADVISORY BOARE>, Dr. Gerald S. Barad, Flemington, NJ; Plii'lip E. Chandler, Santa Monica, CA; Dr. Marroison Flint, West lafayette, IN; Peter loewer, Asneville,~C; Dr. EJizaberll MeOlinrocK, San Fran.cisco, CA; Frederick McGourty, Nerfolk, eT;]anet?vi. Poor, Winnetka, IL; Maire Simington, Phoenix, AZ; Jane Steffey, Sykesville, MDj Dr. James E. Swasey, Newar,k. DE. Replacement issues of AMERICAN HORTICULTURIST are available ata cost ef $2.50 per copy. The Opinions expressed in the articles thar appear in AMERICAN HORTICULTURIST are those of the authors and are not necessaril ~ those of the Society. Botani"al nomendarure in AMERICAN HORTIOULTURIST is based on HORTUS THIRD. Manuscripts, art work, and photog(aphs scnt' fer possible. publication will be r.etumed if they are ac::companied by a 5eH-addressed, stamped envelope. We cannot guarameethe safe return of unselidred material. AMERICAN HORTIGULTURIST, iSSN0096-4417, is 'he official publication of the American Horticultural Society, 7931 Ea .. Boulevard Drive, Alexandria, VA 22308, (703) 768-5700, and is issued six rimes a year as a magazine and six times a year as a News Edition, The American Horticultural Society is a nonprefit organization dedicated to excellence in horticulture. Membership in the Society includes a subscriptio~ to AMERICAN HORTICULTURIST. National membership dues arc $35; twO years are $60. Foreign dues are $45. $12 of dues are designated for AlviERfCAN HORTiCULTURIST. Copyright © 1991 by die American Hortioultural Society. Seeond·class postage paid at Alexandria, Virginia, and at additional mailing offices. Postmaster: Please send Form 3579 to AMERiCAN H0R1'IGULTURIST, 7931 East Bouievard Drive, Alexandria, VA 22308. AMERICAN HORTICULTURIST 3 American Horticultural Society The American Horticultural Society COMMENTARY seeks to promote and recognize excellence in horticulture across America. orticulturists measure progress Officers 1990-1991 through growth-each new bud, Mr. George C. Ball Jr. H leaf, or tendril reflects the progress West Chicago, Illinois and promise of the future. The American President Horticultural Society is pleased to wel­ Mrs. Helen Fulcher Walutes come twelve groups that have helped us Mount Vernon, Virginia First Vice President grow by joining the Society through our Mr. Richard C. Angino Affiliate Membership Program. These spe­ Harrisbutg, Pennsylvania cial arrangements permit individuals to be­ Second Vice President Mr. Elvin McDonald come members of AHS through their Brooklyn, New York membership in local botanical societies or Secretary horticultural interest groups. These first Mr. Gerald T. Halpin Alexafldria, Virginia groups joining us in 1991 represent some Treasurer 5,000 individuals around the United Mrs. Carolyn Marsh Lindsay States. We look forward to reflecting their activities and interests in our Rochester, New York publications and coordinating their needs and interests with the programs Immediate Past President of AHS throughout the country. It is our hope that many other plant Board of Directors societies and state and local horticultural groups will join us through this new program, thus helping to integrate and strengthen the field of horticul­ Mrs. Suzanne Bales Oyst€r Bay, New York ture across America. (These first affiliates are listed on page 6.) Dr. William E. Barrick One of AHS's major goals is to support and promote the many varied Pine Mountain, Gemgia horticultural endeavors taking place throughout the United States. The size Dr. Sherran Blair Columbus, Ohio and incredible diversity of climates, soils, and other growing conditions, Mrs. Mary Katherine Blount as well as cultural diversity in the United States, make our horticultural Montgomery, Alabama heritage vast and exciting. One means of bringing the work of these many Mrs. Sarah Boasberg Washington, D.C. specialty groups to a national focus is our February feature called " Proven Dr. Henry Marc Cathey Performers" -those plants named by several of the nation's approximately Washington, D.C. 200 plant societies as the most rewarding and, as much as possible, Mr. Russell B. Clark appropriate to all parts of the nation. This year, we are privileged to have Boston, Massachusetts Mrs. Ann Lyon Crammond reports from the American orchid, begonia, and bamboo societies-all of Atlanta, Georgia
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    Italian Botanist 10 Supplementary data to Notulae to the Italian alien vascular flora: 10 Edited by G. Galasso, F. Bartolucci Categories concerning the occurrence status of taxa follow Galasso et al. (2018). 1. Nomenclatural updates Family Nomenclature according to Revised nomenclature References/Note Galasso et al. (2018) Fabaceae Acacia dealbata Link subsp. Acacia dealbata Link Hirsch et al. (2017, 2018, 2020) dealbata Pinaceae Abies nordmanniana (Steven) Abies nordmanniana (Steven) Another subspecies exists Spach Spach subsp. nordmanniana Asteraceae Centaurea iberica Spreng. subsp. Centaurea iberica Trevir. ex iberica Spreng. subsp. iberica Poaceae Digitaria ischaemum (Schreb. ex Digitaria ischaemum (Schreb.) Synonym of Digitaria violascens Schweigg.) Muhlenb. var. Muhl. var. violascens (Link) Link violascens (Link) Radford Radford Poaceae Gigachilon polonicum Seidl ex Gigachilon polonicum (L.) Seidl Synonym of Triticum turgidum Á.Löve subsp. dicoccon ex Á.Löve subsp. dicoccon L. subsp. dicoccon (Schrank ex (Schrank) Á.Löve (Schrank) Á.Löve, comb. inval. Schübl.) Thell. Poaceae Gigachilon polonicum Seidl ex Gigachilon polonicum (L.) Seidl Synonym of Triticum turgidum Á.Löve subsp. durum (Desf.) ex Á.Löve subsp. durum (Desf.) L. subsp. durum (Desf.) Husn. Á.Löve Á.Löve Poaceae Gigachilon polonicum Seidl ex Gigachilon polonicum (L.) Seidl Synonym of Triticum turgidum Á.Löve subsp. turanicum ex Á.Löve subsp. turanicum L. subsp. turanicum (Jakubz.) (Jakubz.) Á.Löve (Jakubz.) Á.Löve Á.Löve & D.Löve Poaceae Gigachilon polonicum Seidl ex Gigachilon polonicum (L.) Seidl Synonym of Triticum turgidum Á.Löve subsp. turgidum (L.) ex Á.Löve subsp. turgidum (L.) L. subsp. turgidum Á.Löve Á.Löve Balsaminaceae Impatiens cristata auct., non Impatiens tricornis Lindl. Akiyama and Ohba (2016); it is Wall.
  • Invasive Plants in Southern Forests

    Invasive Plants in Southern Forests

    Invasive Plants in Southern Forests United States Department of Agriculture A Field Guide for the Identification of Invasive PlantsSLIGHTLY inREVISED NOVEMBERSouthern 2015 Forests United States Forest Service Department Southern Research Station James H. Miller, Erwin B. Chambliss, and Nancy J. Loewenstein of Agriculture General Technical Report SRS–­­119 Authors: James H. Miller, Emeritus Research Ecologist, and Erwin B. Chambliss, Research Technician, Forest Available without charge from the Service, U.S. Department of Agriculture, Southern Research Station, Auburn University, AL 36849; and Southern Research Station Nancy J. Loewenstein, Research Fellow and Alabama Cooperative Extension System Specialist for Also available online at Forest Invasive Plants, School of Forestry and Wildlife Sciences, Auburn University, AL 36849. www.srs.fs.usda.gov/pubs/35292 and invasive.org, or as a free download for iPhones and iPads at the AppStore Front Cover Upper left—Chinese lespedeza (Lespedeza cuneata) infestation that developed from dormant seed in the soil seed bank after a forest thinning operation. Upper right—Kudzu (Pueraria montana) infestation within the urban-wildland interface. Lower left—Chinese privet (Ligustrum sinense) and dormant kudzu invading and replacing a pine- hardwood stand. Lower right—Cogongrass (Imperata cylindrica) infestation under mature slash pine (Pinus elliottii). Funding support for all printings provided by the Southern Research Station, Insect, Disease, and Invasive Plants Research Work Unit, and Forest Health Protection, Southern Region, Asheville, NC. First Printed April 2010 Slightly Revised February 2012 Revised August 2013 Reprinted January 2015 Slightly Revised November 2015 Southern Research Station 200 W.T. Weaver Blvd. Asheville, NC 28804 www.srs.fs.usda.gov i A Field Guide for the Identification of Invasive Plants in Southern Forests James H.