Journalof the InternationalPalm Society Vol.46(1) March 2002 THE INTERNATIONATPAIM SOCIETY,INC. The International Palm Society Palms(rormerrv o*')Fili?.,"" Journalof The Internation, An illustrated,peer-reviewed quarterly devoted to " informationabout palms and publishedin March,June, ffitt'# **,,,*,,nI:#.*g'i,.*r:r"'" Seotember and Decemberbv The lnternationalPalm nationalin scopewith worldwidemembership, and the formationof regionalor localchapters affiliated with the internationalroii"ty ir "n.ourug.i. Pleaseaddress all inquiriesregarding membership or informationabout Editors: Dransfield,Herbarium, Royal Botanic The-lnternationaiPalm Society Inc., P.O. :::i:ff:*::::lohn :::,I.^, -. "l, the socieryio -il;;;;k;;, Ri;;;;";, s,,i"y,r,ve :hi, u;t;J Kansas 660 44'88e7' usA' Kingdom,e-mail [email protected], tel.44- 181-332-5225,Fax 44-1 B1 -332-5278. lrr,itiJr,"-rence' ScottZona, Fairchild Tropical Carden, 11935 Old Cutler /310tuhburn' nou"on',., Road,Coral Cables (Miami), Florida 33156, USA, e-mail ?J#*;:, I!X':.:;:ii c'm'e'[email protected]. 1 -105-66l-1 65i ext. ;::r":ff::;;:;:ffi l1]l.l-'..*"'::;:';,^, 467Mann Library, y;fji#; 1485 3'U sA"e. ma i' lii:1L?,ililii :ii:fl 1,. "' I,lii,%S?l,:iixk l'[i: i :]?:,1?:i ":;ffi [l;1;l', ) 2418 S ta ffo rd s p ri n qs' [email protected]?li'ijffi tel. 61;, -7-3800-5526.l:,",:*i,ii ;tli i:l$i"il;* :i t'#,",lif T ffiil *i**i"*' rt;d;;;:' ^"* i:-::,',:"'ffil # ;,::'; :::"",, " :::,T:::::"",.i;.1i1,,ffi::::"672e Peac.ck ::1:::"".';J:::;::::ll.n, ** pu ". fi8fl3;'.?i3l,i'i; li:i'!:,' X:,1: ;l,lt; 8il' il'[f,,xl:,'.n"J,?:}#il',*"d:,:il;:, Treasurer: HowardWaddell, 6120 SW132 St.,Miami, OldCutler Road, Coral Cables (Miami), Florida 33156, sA,e-mai I hwaddell@prod isy.net, tel. i - U]n,e-mail *ioru:*u rchildgarden.org. !H'-?*-rJ.t..: Ma n u sc ri p tr f or PAL M s,,' l: ",s^:lg,r^f andphotographs, should l:be I typed : :.1 double-spaced -"i^f l9 i,: an' :, Rn'j;';;^,?:":,',T,1i,l:li"J,nili,l;!i"llil.?,r"n"rrn"iiii"Jir trri .rpy r"o on a 3.5"diskette (or Dransfield,United Kingdom; lan Edwards,Australia; Don e-mailedas an atl.ached file) to JohnDranslield, Evans,Florida; Horace Hobbs, Texas; Bo-Coran pe'erson' il**nlluelillx;i ;:;thlsilre i,,J"i:ruvil ffiiis'ffiiili: [tlill'J,T,ilt*", fi,ffi?,ff TiU EiH::li;'i.l'6lia#l'f; lii#lil* :i,:i,"il;::::J::': [ ",1"i],, "l;, l";1'd?:J":::;';,i"JJ:fi:fil,fi ?1";li,rffi .l^"," and US$45.00for Familiesinclude a subscriptionto the i"?l'fiill,:",]:,y,?i i:;j:iTif;,'3';11*:j"';j'l""T,i?; iHn ff'# li',#lTi", I':l*il''{:,' : dfl il,' :t l; Singlecopies are uS$15.00 each, !.S$48.09:J_"|T":- i?iii,l"iLlf,ll':#'i;li;lfl [li"jj;!:,]'fi i;11"11,""" postpaidsurface delivery in the USA. Add US$2.00p", issuefor delivervto addressesoutside the USA.or add l""l;1,.i""J::il;:,i:lilri'":::lil'ir'r""'i ;i."*' :'i* US$5.00per issuefor fasterdelivery via airmaii. ;';,:i*- ,'; :I: *;'- ::i:,":,"":::.:"#:",::::.:::,",, "", ;;;.;;;;,.";,;'- po'a'.iasz' ru-*'"n'"' run'u' iio++- la;tf' PALMS(ISSN 1523-44gs) FRONTCOVER fvfuif"Out Lawrence,funru, Vur.h 18, 2OO2 i::,i::J^:T:;:I:^i'J:J;fl'"I;:fll"l',lf o'#f.n'"' @ zOOzTheInternational Palm Society eimanii'see articre bv s zona'p' This publicatlon ls printed on acid-free paper. ?;:UflJt:"J:"#:,i:; PALMS Volume 46(1) 2002 CONTENTS Cold-Hardy Palms in Southwestern Features 5 Ohio: Winter Damage, Mortality and Recovery DAVID A. FRANCKO AND SARAH L. WILHOITE News from the World of Palms 4 Coccothrinax boschiana Classifieds 13 CARLO MORICI 14 Horticulture Column 38 A Revison of Pseudophoenix 19 SCOTT ZONA Pseudophoenix lediniana (far left) and Pseudophoenix vinifera (left) showing differently shaped calyx. Photo by S. Zona. Mycorrhizal Associations in Three 38 Species of Palms of the Yucatan Peninsula, Mexico LILIA CARRILLO, ROGER ORELLANA AND LUCIA VARELA Dypsis ‘stumpy’ 47 JOHN DRANSFIELD AND JEFF MARCUS Coccothrinax boschiana in the Dominican Republic. Photo by C. BACK COVER Morici. Silhouettes of adult Coccothrinax boschiana in the early morning. Note that some tall stems have been bent by hurricanes. See article p. 14. Photo by C. Morici. 3 PALMS Volume 46(1) 2002 NEWS FROM THE WORLD OF PALMS The Second European Palm Biennial was held in and who prepared the line drawing of Dypsis early December 2001 in the Italian Riviera city of “stumpy” described in this issue, recently won a San Remo. Over 200 participants, mostly from gold medal from the Royal Horticultural Society Italy, France and Spain, gathered in the elegant in London UK for an exhibition of her line surroundings of the Villa Ormond for two days to drawings of New Guinea palms, which she has hear a broad range of papers on palms, varying prepared for the multi-author book that was from biodiversity to disease control and the use described in PALMS 44(4), the New Guinea Issue. of palms in landscaping. There were large Congratulations, Lucy! delegations from our chapters Fous de Palmiers Researchers from Egypt and England reported and La Asociación Española de Amigos de las recently on an interesting archaeological finding Palmas and the Italian palm Society, Beccariana. in Qasr Ibrim, southern Egypt (Proceedings of the Of particular interest were papers relating to the Royal Society London, B. 268: 593–597. 2001). alarming spread of two major pests of palms, the Using sensitive analytical techniques, they found weevil Rhychophorus ferrugineus and the moth traces of palm oil on ancient pottery dated to the Paysandisia archon, both of which are believed to post-Meroitic period (ca. AD 35–600). The chem- have been introduced to southern Europe with ical signatures of these traces match those of mature palms imported for landscaping projects, modern palm oils from dates (Phoenix dactylifera) the former in Phoenix dactylifera from Egypt, the and doum (Hyphaene thebaica). Their results latter with Trithrinax campestris from Argentina. In provide the first physical evidence of the a future issue of PALMS, we hope to include exploitation of palm oil in antiquity and the use detailed reviews about these pernicious insects. of pottery vessels in its processing. The whole symposium was organised by Claudio Littardi and hosted by the Commune di San Remo, 2001 saw the reopening of one of the most a city where ornamental palms are valued as a beautiful glasshouses in Britain, the Palm House major feature of the Riviera landscape. On the in Sefton Park, Liverpool. This circular palm house, third day of the conference, there were a classic of the Victorian period, was extensively demonstrations of various methods of climbing renovated and now holds a small collection of and pruning tall palms, including a spectacular palms. More recently, the refurbished Conserva- “rescue,” in which a climber high in the crown of tory of the U.S. Botanical Garden opened in a tall Washingtonia filifera feigned an injury and Washington, D.C. Its central exhibit is the Jungle, was rescued by a colleague climbing up and which includes a collection of palms and other lowering him to the ground, all within four tropical plants. We expect an article on the new minutes. Conservatory and its palm collection in a future issue of PALMS. Botanical artist Lucy Smith, whose paintings of Queensland palms were featured in PALMS 45(3 ) THE EDITORS 4 PALMS Francko & Wilhoite: Palms in Ohio Volume 46(1) 2002 Cold-Hardy Palms in DAVID A. FRANCKO Southwestern AND SARAH L. WILHOITE Department of Botany, Ohio: Winter Miami University, Oxford, Ohio 45056 USA Damage, Mortality and Recovery Previous experiences suggested that several palm species could be grown successfully with minimal winter protection in southwestern Ohio. Here we report data on an expanded experimental design that included additional palms and several new experimental plots. Francko (2000) reported preliminary data on first- represent Zone 6b microhabitats. Sheltered areas year survivorship and vegetative growth of cold- near large buildings on the Miami University hardy palms in SW Ohio, U.S.A. Palm sur- campus, including the original Hardy Palm vivorship, foliar damage, and subsequent recovery Demonstration Plot (HPDP), are consistently were analyzed through the 1999 growing season, 5.0–6.7ºC (9–12ºF) warmer than rural areas and the winter of 1999–2000, and the 2000 growing effectively Zone 7a to 7a/b microhabitats. In season. We also evaluated the efficacy of several spring 1999 we established eight additional Zone published winter protection strategies and of a 7a test plots on the Miami campus, expanded modified pot-planting technique in reducing planting areas at the rural WK site, and integrated winter damage and mortality. small-scale palm plantings into a church garden (Zone 6b) and a private residential landscape in Materials and Methods Oxford (Zone 6a). Study Sites. Detailed geographical and clima- Site Preparations and Palms Utilized: Soils in the tological information about the Miami University new plot areas, in contrast to the original HPDP, main campus and off-campus areas in Oxford, are reasonably fertile, circumneutral to slightly southwestern Ohio were reported in Francko acidic clay-loam and were not amended (2000). Winter temperature minima data from extensively prior to installing plants. New planting 1989–90 through 1999–00 demonstrate that rural beds at the WK site which were sited in compacted areas around Oxford, including home garden palm heavy clay were amended with compost, humus, plots (WK sites: forest and near house; Francko and topsoil. 2000) are mid-Zone 6a microhabitats.